Algebra 1 1st Semester Review

Multiple Choice

(2x + 5y - z) + (-6x - 4y + 7z)

• -4x +6y + 6z
• 4x + y + 6z
• -4x - y + 6z
• -4x + y + 6z

Multiple Choice

Add or Subtract to Simplify:
(4x²+ x) - (x²+ 2x)

• 3x² - x
• 4x² + 2x
• 3x² + 3x
• 3x² + 2x

Multiple Choice

Simplify:
5(3x+2)

• 3x+10
• 15x+10
• 15x-10
• 3x-10

Multiple Choice

Multiply.
(x - 3)(x +10)

• x² - 7x + 13
• x² - 6x - 30
• x² + 7x - 30
• x² + 13x + 30

Multiple Choice

Multiply.
(x + 7)²

• x² + 7x + 7x + 49
• x² + 7x + 7
• 7x² + x + 7
• x² + 14x + 49

Multiple Choice

Multiply.
-3x²(7x² - x + 4)

• -21x⁴ + 3x³ -12x²
• 7x² - x + 4 (-3x²)
• 21x⁴ + 3x³ + 12x²
• -12x² + 3x³ -21x⁴

Multiple Choice

Multiply.
(5x + 2)(x² - 3x + 6)

• 5x³ - 17x² +24x +12
• 5x³ + 17x² - 24x +12
• 5x³ - 13x² + 24x +12
• 5x³ +13x² - 24x - 12

Multiple Choice

Solve:
$$2\left(a+4\right)=2a-8+4a$$  

• a = 3

• a = -3

• a = -4

• a = 4

Multiple Choice

Solve:
$$3x-x+4=4\left(2x+1\right)$$  

• No Solution

• All Real Numbers 

• x = 6

• x = 0

Multiple Choice

Solve 3 - 3w + 5 > -5w - 7 + 3w

• w > 15

• w < 15

• w > 20

• w < -20

Multiple Choice

Solve the formula for p.
$$I\ =\ prt$$  

• $$p\ =\ I\ -\ rt$$  

• $$p\ =\ \frac{I}{rt}$$  

• $$p\ =\ Irt$$  

• $$p\ =\ \frac{rt}{I}$$  

Multiple Choice

Solve the formula for x.

y = mx + b

• $$x\ =\ y\ -b\ +\ m$$

• $$x\ =\ \frac{y\ +\ b}{m}$$

• $$x\ =\ \frac{y\ -\ b}{m}$$

• $$x\ =\ y\ -\ m\ -\ b$$

Multiple Choice

Solve the following compound inequality:

−8 < 2(x + 4) or −3x + 4 > x − 4

• No solutions

• x < −8 or x < 2

• x > −8 or x < 2

• x < −8 and x < 2

Multiple Choice

What is the slope of the equation?
y = -3x + 4

• -3
• 4
• -4
• 3

Multiple Choice

Determine the slope and y-intercept from the following equation:   y = 3/2x + 3

• slope: 5   y-intercept:  (0,3) 
• slope: 3/2   y-intercept:  (0,3) 
• slope:  4  y-intercept:  (0,3/2)
• slope: 1/5   y-intercept:  (0,5) 

Multiple Choice

Write the equation for the line graphed above.

• y = - x + 3

• y = 4x + 3

• y = ¹/₄ x + 3

• y = - 4x + 3

Multiple Choice

Which graph represents 2x + 4y = 12?

Multiple Choice

Which graph best represents the following inequality?

Multiple Choice

Is the point (3, 1) a solution for the following inequality? Choose the best answer that has the best explanation.

• Yes because it is located in the shaded region.

• No because it is located on the line and the line is dotted.

• Yes because it is located on the line.

• No because it is in the shaded region.

Multiple Choice

Which of the following equations match the given graph?

• $$y≤-\frac{5}{4}x+3$$

• $$y\ge-\frac{5}{4}x+3$$

• $$y<-\frac{5}{4}x+3$$

• $$y>-\frac{5}{4}x+3$$

Multiple Choice

When I see $$\le$$  or  $$\ge$$  , I use a ________ line.

• Solid

• Dashed

Multiple Choice

When I see  $$<$$  or  $$>$$  , I use a ____________ line.

• Solid

• Dashed

Multiple Choice

When I see  $$>$$  or  $$\ge$$  , I shade...

• Above

• Below

Multiple Choice

When I see  $$<$$  or  $$\le$$  ,  I shade...

• Above

• Below

Multiple Choice

Identify the graph of the following linear inequality.

$$x\ -\ 2y\ >\ 6$$  

Multiple Choice

Identify the graph of the following linear inequality.

$$-4x\ +\ 6y\ \le\ -12$$  

Multiple Choice

What is the solution?

• (1, -1)
• (-1, 1)
• (0, -2)
• (0, 1)

Multiple Choice

How many solutions does this system of equations have?

• One Solution
• No solution
• Infinitely Many Solutions
• Two Solutions

Multiple Choice

Solve the system of equations.
y = 4x+1
3x + 2y = 13

• (1, 5)
• (5, 1)
• (0.25, 2)
• ∅

Multiple Choice

Solve the system of equations by elimination.
-x + y = -13
-8x - 4y = -8 

• (5, 8)
• (5, -8)
• (-5, -18)
• (-5, 8)

Multiple Choice

Determine if (4, 1) is a solution for the system of equations.
y = -x + 5
y = 2x - 7

• yes
• no

Multiple Choice

Alexandra finds that she can give 3 haircuts and 2 hair dyes in 315 minutes. Giving 2 haircuts and 4 hair dyes takes 450 minutes.  Which system of equations represents the situation?

• 3x + 2y = 315
  2x + 4y = 450
• 3x + 2y = 450
  2x + 4y = 315
• 2x + 2y = 315
  3x + 4y = 450

Multiple Choice

Some students want to order shirts with their school logo. One company charges $9.65 per shirt plus a setup fee of $43. Another company charges $8.40 per shirt plus a $58 fee. Which equation represents the number of shirts when both companies charge the same amount? 

• y = 9.65 + x
  y = 8.40 + x
• y = 9.65x + 43
  y = 8.40x + 58
• y =9.65x
  y = 8.40x
• y = 9.65x - 43
  y = 8.40x - 58

Multiple Choice

2x - 3y = 6
7x - 3y = -9

• (-3,-4)
• (3,4)
• (-4,-3)
• (4,3)

Multiple Choice

If a system of equations has no solution, what does the graph look like? 

• intersecting lines
• parallel lines
• skew lines
• intersecting lines

Multiple Choice

What is the Solution to this system?

• (2,-2)
• (-2,2)
• All Real Numbers
• No Solution

Multiple Choice

Which point is a solution?

• (0, 6)
• (-3, 4)
• (1, 0)
• (-4, 3)

Multiple Choice

Solve the system of inequalities by graphing.

Multiple Choice

Solve the system of inequalities by graphing.

Multiple Choice

Kate is selling bracelets and earrings on Etsy to make money for summer vacation. The bracelets (x) cost $2 and earrings (y) cost $3. She needs to make at least $100, but can only make up to 40 pieces of jewelry. Which inequalities represent this situation?

• 2x + 3y > 100

  x + y ≤ 40

• 100x + 2y > 3

  x + y ≤ 40

• 100x + 40y > 100

  3x + 2y ≤ 40

• 3x + 2y > 100

  x + y ≤ 40

Multiple Choice

Is (0,0) a solution to the system?

• Solution
• Not a solution

Multiple Choice

Which of the following system of inequalities represents the graph above?

• 3x-y<-4

  2x+y<-3

• 3x-y>-4

  2x+y>-3

• 3x-y≤-4

  2x+y≤-3

• 3x-y≥-4

  2x+y≥-3

Multiple Choice

What is a test that is used to check if the graph is function or not?

• Multiple Choice

• Vertical Line Test

• Horizontal Line Test

• None of the above

Multiple Choice

 

Is this graph a function or not a function? 

• Function

• Non Function

Multiple Choice

 

Is this graph a function or not a function? 

• Function

• Non Function

Multiple Choice

Is this set of ordered pairs a function or not a function? 

• Non Function

• Function

Multiple Choice

. 

Is this graph a function or not a function? 

• Non Function

• Function

Multiple Choice

Is this set of ordered pairs a function or not a function? 

{(9,2) (-3,2) (9,0) (2,2) (1,2)}

• Function

• Non-Function

Multiple Choice

Is this graph a function or not a function? 

• Function
• Not a Function

Multiple Select

Select ALL of the functions.

• { (a,z) , (b,z) , (c,z) }

Multiple Choice

Evaluate f(-2) if f(x) = x + 3

• -1
• 1
• 5
• -5

Multiple Choice

Evaluate the function for f(9) if $$\ f\left(x\right)=\frac{3}{5}x+8$$  .

• $$\frac{67}{5}$$  

• $$-\frac{13}{5}$$  

• $$-\frac{67}{5}$$  

• $$\frac{13}{5}$$  

Multiple Choice

f(x) is the same thing as ______.

• y
• x
• input
• an equation

Multiple Choice

What point is represented by g(7) = 14 ?

• (2,7)

• (7,2)

• (14,7)

• (7,14)

Multiple Choice

Find f(2)

• 5

• 4

• 3

• 0

Fill in the Blank

$$h\left(x\right)=x^2-2x+4$$

Find $$h\left(3\right)$$

Multiple Choice

Is this a function?

• Function
• Not a Function

Multiple Choice

Which image is NOT the graph of a function?

Multiple Choice

Which graph represents a function?

Multiple Choice

Translate the coordinate pair into function notation.

$$\left(0,8\right)$$  

• $$f\left(0\right)=8$$  

• $$f\left(0\right)=-8$$  

• $$f\left(8\right)=0$$  

• $$f\left(-8\right)=0$$  

• $$f\left(x\right)=8$$  

Multiple Choice

Given the graph, 

find the value of x when  $$f\left(x\right)=5$$  

• $$x=7$$  

• $$f\left(5\right)=3$$  

• $$x=5$$  

• $$x=3$$  

• $$f\left(5\right)=7$$

Multiple Choice

Is this mapping a function or not a function? 

• Function
• Not a Function 

Multiple Choice

What is f(2)

• 8

• 11

• 14

• 17

Multiple Choice

Given the two functions

$$f\left(x\right)=4x-2$$  

$$g\left(x\right)=-3x-4$$  

Find $$f\left(x\right)+g\left(x\right)$$  .

• $$x-6$$  

• $$-8x+1$$  

• $$-x-6$$  

• $$x^2+4x+5$$  

Multiple Choice

Given the two functions

$$f\left(x\right)=-4x+4$$  

$$g\left(x\right)=2x-5$$  

Find $$f\left(x\right)-g\left(x\right)$$  .

• $$6x-9$$  

• $$-x^2+2x+2$$  

• $$-6x-9$$  

• $$-6x+9$$  

Multiple Choice

Which of the following best represents the zero of the graph shown for this function?

$$f\left(x\right)=-3x+9$$  

• 3

• 9

• -3

• -9

Multiple Choice

What is the y-intercept?

• (6, 0)
• (0, 6)
• (-3, 0)
• (0, -3)

Multiple Choice

What are the zeros?

• 0 and 2

• -4 and 0

• 2 and 3

• 0 and 4

Multiple Choice

On what interval is the graph decreasing?

• $$x>3$$

• $$x>7$$

• $$x<7$$

• $$x<3$$

Multiple Choice

Which function has a maximum at (2, 0)?

Multiple Choice

What is the interval of increase?

• $$0<x<3$$

• $$3<x<7$$

• $$25<x<40$$

• $$50<x<25$$

Multiple Choice

Let's call the graph f(x). Find f(5) = ___

• 25

• 30

• 35

• 40

Multiple Choice

Look at the function that is graphed, what are the maximum and minimum values of this function?

• maximum 15, minimum -5

• maximum 25, minimum -15

• maximum 25, minimum -10

• maximum 30, minimum -10

Multiple Choice

Domain is: 

• All x values, from left to right.
• All y values, from bottom to top.
• All x values from bottom to top. 
• All y values from left to right.

Multiple Choice

Range is:

• All x values, from left to right.
• All y values, from left to right. 
• All y values, from bottom to top.
• All x values, from bottom to top.

Multiple Choice

What is the significance of the ordered pair (0, -2) to the graph?

• It is the vertex

• It is an x-intercept

• It is the y-intercept

• It is the axis of symmetry

Multiple Choice

Does the graph have a maximum or minimum?

• max
• min
• neither
• both

Multiple Choice

What are the zeros?

• 0 and 2
• -4 and 0
• 2 and 3
• 0 and 4

Multiple Choice

What is the y-intercept?

• (0,7)
• (0,0)
• (1,9)
• (2,11)

Multiple Choice

What is the x-intercept?

• (12,0)
• (0,-3)
• (8,-1)
• (0,0)

Multiple Choice

How many solutions does the graph have?

• One solution

• No solution

• Infinite solutions

Multiple Choice

Solve the following system:

$$-\frac{1}{2}x-4=2x+1$$  

• (2, -5)

• (2, 5)

• (4, -6)

• (-2, -3)

Multiple Choice

Determine the number of solutions to the given linear-quadratic system.

• 0 solutions
• 1 solution
• 2 solutions
• 3 solutions

Multiple Choice

How many solutions does this graph have?

• one solution

• two solutions

• no solution

• infinitely many solutions

Multiple Select

First determine how many solutions, then select all values that represent solutions to the graph below.

• 1

• 4

• One solution

• -3

• two solutions

Multiple Choice

Solve: 5x + 34 = -2(-7x+1)

• x = -4

• x = 9

• x = 4

• x = 36/19

Multiple Choice

Evaluate f(-3)=

• -1

• -7

• 4

• 5

Multiple Choice

Find the value of $$f\left(-8\right)$$ .

• $$21$$  

• $$-8$$  

• $$0$$  

• $$9$$  

Multiple Choice

Find f(0)

• -3

• 18

• 4

• 0

Multiple Choice

What are the domain restrictions for the green piece of this function?

• -2 < x ≤ 1
• -1 < x ≤ 0.5
• x > -2
• x ≤ 1

Multiple Choice

Given the graph of f(x), evaluate f(2).

• undefined

• -1

• 5

• 2

Fill in the Blank

Given the graph of f(x), evaluate f(4).

-

Fill in the Blank

Given the graph of f(x), evaluate f(-1).

Multiple Choice

What is the domain of $$h\left(x\right)$$  ?

• All real numbers

• $$\left(3,\ 4\right)$$  

• $$h\left(x\right)\ge4$$  

• $$h\left(x\right)>4$$  

Multiple Choice

Determine the domain and range of the function

• Domain: All real numbers, Range: All real numbers

• Domain: x ≥ -4, Range: All real numbers

• Domain: All real numbers, Range: y ≥ -4

• Domain: -1 ≤ x ≤ 5, Range: y ≥ -4

Multiple Choice

What is the range of the graph?

• $$-2<f\left(x\right)<10$$
  

• $$-3<x<3$$

• $$-2\le f\left(x\right)\le10$$

• $$-3\le x\le3$$

Multiple Choice

What is the range of this function?

• All real numbers
• x ≤ 1
• x ≤ 3
• y  ≤ 1

Multiple Choice

What is the initial position of the object?

• 4 m

• 6 m

• 8 m

• 10 m

Multiple Choice

What is the equation for axis of symmetry?

• y=3
• x=3
• x=5
• x=1

Multiple Choice

What is the range of the graph?

• y≥1
• x≥1
• All real numbers
• none of these

Multiple Choice

Which of the following is an example of a quadratic function?

Multiple Choice

Find the slope of the line.

• -2
• 2
• -1
• 1

Multiple Choice

Find the slope of the line.

• Undefined
• 0
• 1
• -1

Multiple Choice

What is the y-intercept?
y = 6x - 4 

• 6/1
• 1/6
• -4
• 4

Multiple Choice

Write the equation for the line.

• y= -1x+3
• y= 4x+3
• y=(1/4)x+3
• y= -4x+3

Multiple Choice

What does the equation

$$g\left(x\right)\ =\ f\left(x\right)-4\$$  do to the graph of f(x)?

• Shifts the graph left four units

• Shifts the graph right four units

• Shifts the graph up four units

• Shifts the graph down four units

Multiple Choice

Which transformation on

f(x) = x

is g(x) = -f(x)

• Reflection across the y-axis

• The slope will be less steep

• The graph will be wider

• Reflection across the x-axis.

Multiple Choice

The linear parent function, f(x) = x, is transformed to g(x) = f(x + 3). Describe the transformation.

• g(x) is shifted up 3 units

• g(x) is shifted down 3 units

• g(x) is shifted left 3 units

• g(x) is shifted right 3 units

Multiple Choice

The linear parent function, f(x) = x, is transformed to g(x) = f(x - 6). Describe the transformation.

• g(x) is shifted up 6 units

• g(x) is shifted down 6 units

• g(x) is shifted left 6 units

• g(x) is shifted right 6 units

Multiple Choice

• vertical stretch factor 2 and translate up 3

• vertical stretch factor 2 and translate left 3

• vertical stretch factor 2 and translate down 3

• translate right 2 and up three

Multiple Choice

• reflect over x axis and vertical stretch by 2.

• reflect over y axis and vertical stretch by 2.

• reflect over x axis and horizontal stretch by 2.

• reflect over y axis and horizontal stretch by 1/2.

Multiple Choice

• translate six right and 7 up

• translate six left and 7 up

• translate six right and 7 down

• translate six left and 7 down

Multiple Choice

Describe the transformation that is applied to the parent function.  $$f(x)=\left|x\right|-5$$  

• Shifts left 5
• Shifts right 5
• Shifts up 5
• Shifts down 5

Multiple Choice

What shifts have occurred?

• left 1, up 5
• left 1, down 5
• right 1, down 5
• right 1, up 5

Multiple Choice

Describe the transformation of the equation below from the absolute value parent function $$y=-2\left|x-3\right|+3$$  

• reflected over x axis, stretched by 2, right 3, up 3

• reflected over x axis, stretched by 2, left 3 up 3.

• reflected over x axis, shrunk by 2, right 3, up 3

• reflected over the x axis, shrunk by 2, left 3, up 3

Multiple Choice

• $$y=\left|x+2\right|-1$$

• $$y=-\left|x+2\right|-1$$

• $$y=-\left|x-2\right|-1$$

• $$y=-\left|x+1\right|-2$$

Multiple Choice

What does the transformation $$f\left(x\right)\ \rightarrow\ f\left(x+1\right)-9$$ do to the graph of  $$f\left(x\right)$$  ?

• translates it left one unit and down 9 units

• translates it right one unit and down 9 units

• translates it up one unit and right 9 units

• translates it down one unit and left 9 units

Multiple Choice

Which transformation will occur if $$f\left(x\right)=x$$  is replaced with  $$-f\left(x\right)-4$$  ?

• Vertical translation up and reflection

• Vertical translation down

• Vertical stretch (more steep) and vertical translation down

• Reflection and vertical translation down

Multiple Choice

The linear parent function, f(x) = x, is transformed to g(x) = f(x + 3). Describe the transformation.

• g(x) is shifted up 3 units

• g(x) is shifted down 3 units

• g(x) is shifted left 3 units

• g(x) is shifted right 3 units

Multiple Choice

If the blue graph is
f(x) = x² 
then the red must be...

• g(x) = x² - 5
• g(x) = x² + 5
• g(x) = (x - 5)²
• g(x) = (x + 5)²

Multiple Choice

Given f(x) = ax² , if a > 1 , the graph will transform by

• becoming wider or vertically compressed

• becoming narrower or vertically stretched

Multiple Choice

In the vertex form f(x) = a(x - h)² + k , what does the 'h' value do?

• Shifts the function left or right

• Reflection over the x-axis

• Vertical stretch or compression

• Shifts the function up or down

Multiple Choice

In the vertex form f(x) = a(x - h)² + k , what does the 'k' value do?

• Shifts the function left or right

• Reflects over the x-axis

• Vertical stretch or compression

• Shifts the function up or down

Multiple Choice

Which equation matches the following transformation: up 4, stretched 3, reflected down, and left 1

• $$f\left(x\right)=-3\left(x+1\right)^2+4$$

• $$f\left(x\right)=-4\left(x+3\right)^2+1$$

• $$f\left(x\right)=-\left(x+4\right)^2+3$$

• $$f\left(x\right)=3\left(x+1\right)^2+4$$

Multiple Choice

What is the Vertex of the graph?

• (-4, -4)

• (0, 0)

• (-8, 0)

• (-2, -3)

Multiple Choice

A ball is thrown into the air with an upward velocity of 100 ft/s. Its height, h, after t seconds is given by the function
 h = -16t² + 64t + 960.
When did the ball hit the ground?

• 10 seconds
• 2 seconds
• 5 seconds
• 7 seconds

Multiple Choice

What algebraic term are you solving for if the word problem is: The equation for leaping off a cliff is h = -16t^2 + 8t +24. How long will it take for you to hit the maximum height?

• y coordinate of the vertex

• Axis of Symmetry

• x coordinate of the vertex

• y-intercept

Multiple Choice

In Projectile Motion Quadratic Word Problems, what does the x-value always represent?

• Time

• Height

• Distance

• Total

Multiple Choice

In Projectile Motion Quadratic Word Problems, what does the y-value always represent?

• Time

• Height

• Distance

• Total

Multiple Choice

Mrs. Martone's 7th grade science class built and launched rockets. The graph below shows the height, in feet, over time, in seconds, of a student's rocket. Use the graph to answer the questions below. How long was the rocket in the air?

• 1 second

• 7 seconds

• 14 seconds

Multiple Choice

Mrs. Martone's 7th grade science class built and launched rockets. The graph below shows the height, in feet, over time, in seconds, of a student's rocket. Use the graph to answer the questions below. How long did it take the rocket to reach its maximum height?

• 1 second

• 5 seconds

• 7 seconds

• 11 seconds

Multiple Choice

In a projectile motion problem, if the question is asking when an object will hit the ground, what part of the graph are you looking for? (Provided y is the height of the object and x is time)

• The y-intercept

• The x-intercepts

• The x-coordinate of the vertex

• The y-coordinate of the vertex

• Something else

Multiple Choice

A ball is thrown into the air with an initial velocity of 100 ft/s. Its height, h, after t seconds is given by the function

h = -16t² + 100t + 5.

What is the maximum height?

• 125.251 feet

• 161.25 feet

• 239.126 feet

• 115.25 feet

Multiple Choice

Jason jumped off of a cliff into the ocean in Acapulco while vacationing with some friends. His height as a function of time could be modeled by the function h(t) = –16t² + 16t + 480, where t is the time in seconds and h is the height in feet. How long does it take Jason to hit the water?

• -16 seconds

• -6 seconds

• 0 seconds

• 5 seconds

Multiple Choice

Ben and his girlfriend got in a fight and she threw his phone off of a balcony. The height of the phone can be modeled by the equation:

h(t) = -16t² + 35t + 22

When did the phone reach its maximum height? (Round to 2 decimal places)

• 1.09 seconds

• 2.19 seconds

• 41.14 seconds

• 21.91 seconds

Multiple Choice

What was the maximum height of Ben's phone, given the correct answer to the last question was 1.09 seconds. (Round to 2 decimal places)

The equation was h(t) = -16t² +35t + 22

• 41.14 feet

• 21.91 feet

• 79.16 feet

• 35.16 feet

Multiple Choice

If an object is thrown downward from a cliff, the initial velocity is...

• positive

• negative

• zero

• unknown

Multiple Choice

Quadratic equations take the shape of a _______ when graphed.

• U
• straight line
• wavey line/snaked
• circle/elliptical

Multiple Choice

What is the degree of a quadratic function?

• 0

• 1

• 2

• 3

Multiple Choice

Find the axis of symmetry for
f(x) = x²- 8x + 15.

• x = -4
• x = 4
• y = 4
• y = -4

Multiple Choice

Use the graph to determine the solutions.

• -1 and -3
• 1 and -3
• 1 and 3
• -1 and 3

Multiple Choice

What is the range of the graph?

• $$x\ge-3$$

• $$y\ge-3$$

• $$y\le-3$$

• $$x\le-3$$

Multiple Choice

A ball is thrown into the air from the edge of a 48-foot-high cliff so that it eventually lands on the ground. The graph below shows the height, y, of the ball from the ground after x seconds.

For which interval is the ball's height always decreasing?

• $$0\le x\le2.5$$

• $$0<x<5.5$$

• $$2.5<x<5.5$$

• $$x\ge2$$

Multiple Choice

The height of a ball Doreen tossed into the air can be modeled by the function h(x) = −4.9x² + 6x + 5, where x is the time elapsed in seconds, and h(x) is the height in meters. The number 5 in the function represents

• the initial height of the ball

• the time at which the ball reaches the ground

• the time at which the ball was at its highest point

• the maximum height the ball attained when thrown in the air

Multiple Choice

A ball is thrown into the air with an upward velocity. Its height, h, after t seconds is given by the function below.
$$h=-16t^2+64t+960$$
What is the maximum height reached?

• 1024 feet

• 64 feet

• 960 feet

• 2 feet

Multiple Choice

A ball is thrown into the air with an upward velocity. Its height, h, after t seconds is given by the function below. $$h=-16t^2+64t+960$$   How many seconds did it take for the ball to reach its maximum height?

• 10 seconds

• 64 seconds

• 960 seconds

• 2 seconds

Multiple Choice

$$h=-16t^2+64t+960$$  

A ball is thrown into the air with an upward velocity of 64 ft/s. Its height, h, after t seconds is given by the function above.
When did the ball hit the ground?

• 10 seconds

• 2 seconds

• 5 seconds

• 7 seconds

Multiple Choice

What is the green dashed line called?

• roots or x-intercepts
• parabola
• axis of symmetry
• line of dashes

Multiple Choice

Fireworks are fired from the roof of a 100-foot building. The equation h = -16t² +84t + 100 models the height, h, of the fireworks at any given time, t. How high do the fireworks get?

• 2.625

• 6.25

• 100

• 200

• 210.25

Multiple Choice

If each mark on the x-axis represents one second, when did the object reach the ground?

• 2.5 seconds

• 6 seconds

• 5.5 seconds

• 5 seconds

Multiple Choice

Jason launched a rocket for a physics experiment. This equation can be used to find the height (h), in feet, of the rocket after t seconds.

h = -16t2 + 288t + 8

How many seconds will it take for the rocket to reach a height of 1,304 feet?

• 9.0 seconds

• 9.6 seconds

• 81.0 seconds

• 82.0 seconds

Multiple Choice

You jump off a 24 foot high cliff and your fall is modeled by the function:

h(t) = -16t² + 8t + 24

When would you reach 16 feet above the water?

• 8 seconds

• 1 second

• 1/2 second

• 1/4 second

Multiple Choice

A diver is standing on a platform above the pool. He jumps form the platform with an initial upward velocity of 8 ft/s. Use the formula: h(t) = −16 t² + 8t + 24

How high is the platform?

• .25 ft

• 24 ft

• 25 ft

• 8 ft

Multiple Choice

The height of an object thrown into the air can be modeled by the formula  $$y=-16x^2+70x+95$$    

What is the initial height of the object?

• 70 feet

• 95 feet

• 149 feet

• -16 feet