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WorksheetsAlgebra 2 CP Midterm Review
Total questions: 115
Worksheet time: 10hrs 35mins
Simplify the following equation and solve for x:
3x+2(4x−4)=3
x = 4
x = 3
x = 2
x = 1
97=−3(6n−5)−8
−10
16
−5
−2
solve for m:
32(9m−6)=20m=4
m=3
m=2
m=8
Solve for k, write your answer as a simplified fraction:
−5(2k−1) = 17−2kk=−1
k=−411
k = −32
k=−23
Given h(x)=−2(x+5)2 , what is the value of h(7) ?
−140
−48
−8
−288
Which of the following has the smallest value?
Let m(x)= −3x+5
m(-1)
m(0)
m(1)
m(2)
f(x)=x2−9x+2
Evaluate: f(−2)
f(−2)=24
f(−2)=−20
f(−2)=16
f(−2)=−12
What is the y-coordinate to the system of equations below?
-4x + y = 4
4x - 3y = 12
y=3
y=8
y=-3
y=-8
Solve the following system:
x=2y+11
(3, −4)
(3, 4)
(−3, −4)
(−3, 4)
(2, -3)
(3, 2)
(-3, -2)
(-2, -3)
What are the possible ways to successfully do the elimination method for this problem?
(there are more than one correct answer)
Eliminate x by multiplying the top equation by 10 and the bottom equation by 6
Eliminate x by multiplying the top equation by -10 and the bottom equation by 6
Eliminate x by multiplying the top equation by 10 and the bottom equation by -6
Eliminate y by multiplying the bottom equation by 2
Eliminate y by multiplying the bottom equation by -2
Oatmeal Cookies $3
Oatmeal Cookies $8
Oatmeal Cookies $6
Oatmeal Cookies $6
y = 4x
y = x + 4
y = 4x
y = x + 4
Which of the following is not a method for solving systems of equations
Elimination
Substitution
Estimation
Graphing
b = 10
b = 5
b = 13
20x + 50y = 49
10x + 5y = 1430
20x + 50y = 1430
x + y = 1430
Jack wants to save up money to buy his math teacher a new calculator for the holidays. After 4 weeks, he has $78 saved up. After 9 weeks, he has $138.
How much money does Jack have before he starts saving?
$30
$48
$102
$38
y = 4x+1
3x + 2y = 13
Jack wants to save up money to buy his math teacher a new calculator for the holidays. After 4 weeks, he has $78 saved up. After 9 weeks, he has $138.
How much money does Jack save per week?
$5 per week
$60 per week
$12 per week
$15 per week
The money I have is represented by the equation:
y = 95x + 23 where x = number of weeks and y = money remaining.
How much money do I have initially?
$95
$95 in debt
$23
$23 in debt
The money I have is represented by the equation:
y = 10x + 100 where x = number of weeks and y = money remaining.
How does my money CHANGE each week?
increases by $10 each week
decreases by $10 each week
increases by $100 each week
decreases by $100 each week
y=53x−1
y=52x
y=52x−1
y=−x−3
y=3x−1
y=−9x−1
y=31x+2
y=−31x−9
Write the equation of the line shown in point slope form.
y−7=43x(x−0)
y−0=−43(x−7)
y+4=−43(x+4)
y−4=−43(x−4)
Find the rate of change/slope.
Then write the point-slope equation using the first point given in the table.
-2 minutes per gallon
y - 80 = -2 (x - 10)
-20 minutes per gallon
y - 80 = -20 (x - 10)
-2 gallons per minute
y -80 = -2 (x - 10)
-20 gallons per minute
y - 80 = -20 (x - 10)
Which equation is written in point-slope form?
y=mx+b
y−y1=m(x−x1)
Ax+By=C
A man is climbing down from 100 feet high descending 30 feet per minute. Which function models his descent?
y = 100 - 30x
y = 100 + 30x
y = 100x + 30
y = 100x - 30
What is the slope (or rate of change)?
$2/1 mile drive
$1/2 miles driven
2 miles driven/$1
1 mile driven/$2
How long till her account has no money left?
Describe the transformation from the parent absolute value function:
y=∣x∣−5
Shift up 5 units
Shift down 5 units
Shift right 5 units
Shift left 5 units
Describe the transformation from the parent absolute value function:
y=−∣x+4∣−3
* Select THREE answers *
Reflection over the x-axis
Translation 4 units left
Translation 4 units up
Translation 3 units left
Translation 3 units down
Describe the transformation on the parent function: f(x) = 2∣x−3∣−2 (a) (b) (c)
y = -2 I x - 3 I + 3
Consider the graph of the equation below. Where would the VERTEX be?
(0, 0)
( 3, 4)
(-3, 4)
(4, -3)
Describe the transformation from the parent graph
Reflect over x, right 3, down 4
Reflect over y, right 3, down 4
Reflect over x, right 3, up 4
Reflect over y, left 3, down 4
Match the equation with the graph:
y = (x - 2)2 + 4
y = -(x - 4)2 + 2
y = -(x - 2)2 + 4
y = -(x + 2)2 + 4
Describe the transformation from the parent quadratic function:
y=(x−2)2
Shift up 2 units
Shift down 2 units
Shift right 2 units
Shift left 2 units
If f(x)=a(x−h)2+k has a horiz. shift of -2, a vert. shift of 3 and a vert. stretch of 4, what is the equation for f(x) ?
f(x)=4(x+2)2+3
f(x)=4(x−2)2+3
f(x)=3(x+2)2+4
f(x)=2(x−4)2+3
Which description best fits the transformation of f(x)=x2 into f(x) =(x-5)2+3 ?
Opens up, shifts to the right 5, and shifts up 3
Is narrow, shifts left 5 and up 3
Shifts right 5 and down 3
Opens down and shifts up 3
Which of the following equations best fits the graphs of the transformed function shown in red?
f(x)=(x−1)2−3
f(x)=(x+3)2−1
f(x)=−(x−3)2+1
f(x)=(x−3)2−1
What is the equation of this parabola?
x2 + 2x + 3
-x2 - 2x + 3
x2 + 2x - 3
-x2 - 2x - 3
If the red parabola is f(x) = x2, what is the best equation for the blue parabola?
f(x) = 0.25x2
f(x) = x2 - 3x + 4
f(x) = 5x2
f(x) = 0.5x2
What is the axis of symmetry of the parabola?
(2, -8)
x = 2
y = 2
z = 2
For the equation y = ax2 + bx + c, what is used to solve for the x-coordinate of the vertex?
-a
-b/a
b/2a
-b/2a
What is the vertex of y = x2 + 4x + 3?
(2,1)
(-2,1)
(0,0)
(-2,-1)
Which of the following parabolas will have a minimum?
y = -x2 + 4
y = -x2 + x - 3
y = -x2 - 2
y = x2 + 2x - 8
Find the vertex of
f(x) = -x2 - 4x + 12.
(-2, 16)
(2, 0)
(-2, 22)
(-2, 4)
What is the range of the parabola?
[−4,∞)
(−∞,∞)
(−4,∞)
[−1,3]
The graph of y = x2 + 1 could be?
Given the diagram below find the value if x if the area is 21 square meters.
7
-3
3
-7
The dimensions of a rectangle can be given by x +7 and x + 2. If the ares of the rectangle is 66 square inches, what are the dimensions of the rectangle.
4 X 13
-6 X -11
11 X 6
20 X 15
The length of a rectangle is 6 meters more than its width. If the area of the rectangle is 135 square meters, find its dimensions.
15 X 21
9 X 15
-9 X -15
6 X 12
h(t) = -16t2 + 20t +6, what is the height after 1 second?
When a cannonball is fired the equation of its pathway can be modeled by h = -16x2 + 128t. Find the maximum height of the cannonball
8 ft.
0 ft.
256 ft.
4 ft.
When a cannonball is fired the equation of its pathway can be modeled by h = -16x2 + 128t. Find the time it will take for the cannonball to reach the ground.
8 sec.
0 sec.
256 sec.
4 sec.
When Joey dives of a diving board, the equation of his pathway can be modeled by h = -16t2 + 15t + 12. Find Joey's maximum height.
0.52 ft.
1.45 ft.
0.46 ft.
15.52 ft.
When Joey dives of a diving board, the equation of his pathway can be modeled by h = -16t2 + 15t + 12. Find the time it will take Joey to reach the water.
0.52 sec.
1.45 sec.
0.47 sec.
15.52 sec.
At the end of the school year, Rachel and Amber go to the roof of a 12-story building and throw their Algebra book off the edge. The equation of the pathway that each girl's textbook takes is given below.
Rachel: h = -16t2 + 36t + 160
Amber: h = -16t2 + 50t + 160
By how many seconds does Rachel's textbook beat Amber's to the ground?
0.61 sec.
4.48 sec.
5.09 sec.
0.27 sec.
Find the zeros of the function. Choose all thaty apply.
y = 2x2 - x - 15
x = 3
x = 5
x = -5/2
x = -3/2
x = -3
Find the zeros of the function. Choose all that apply.
f(x) = 4x2 - 5x - 6
x = -4/3
x = -3
x = 2
x = 4/3
x = -3/4
ax2 + bx + c
For the function above, is the discriminant positive, negative, or zero?
What is the discriminant of -2x2 − x − 1 = 0
76
-7
9
none of these
______________
How many x-intercepts does it have?
x2 + 7x + 13
Remember: b2 - 4ac
-3i(4 + 2i)
(-6 - 2i)2
−48
4i3
3i12
−43
−86
3−90
3i10
9i10
27i10
−80
2i20
4i5
−810
Add:
14+14i
2+14i
16i
Subtract:
2+4i
2+10i
14+10i
14+2i
(2i)(−9i)
18
−18
−18i2
18i
(2+3i)(3+7i)
6+21i2
−15+23i
−3+6i−(−5−3i)−8i
(a)
(1−7i)2
(a)
x2 - 4x + 4 = 20,
what goes in the blank?
(x - __ )2 = 20
x2 + 6x = 5
(2x - 1)2 = 49
x2+ 6x - 4 = 36
x2 +12x = 5
Solve by completing the square.
x2−4x−20=0
x={±62−2}
x={±62+2}
x={±26+2}
x={±26−2}
Solve by completing the square.
x2−4x−21=0
x={−7, 3}
x={3, 7}
x={−3, 7}
x={−7, −3}
What are the solutions to the system of equations graphed below?
(2, 0)
(2, 0), (-2, 0)
(-2,0)
(0, -4), (0,4)
No Solution
y2 - x = 4
x2 + y2 = 4
(0, 2), (0, -2)
(-1, √3), (-1, -√3)
(0, 2), (0, -2), (-1, √3), (-1, -√3)
(2, 0), (0, -2), (√3, ±1)
Find the solution(s) to the system.
(0,-3) and (1,-2)
(0,-3)
(-2,0) and (2,0)
No solution
What are the solutions to the system:
y = x2 + 3x - 5
y = x + 3
(-4, 2) and (-1, 5)
(-4, -1) and (2, 5)
(2, -1 and (-4, 5)
(-4, 1) and (2, -1)
y=−(x−2)2+4
y=−5
Solve the system by graphing.
(-1,-5)
(5,-5)
(-1,-5) and (5,-5)
(-5,5)
y=x2+6x−9
(3,18)&(−3,−18)
(3,18)
(−3,−18)
No Solutions
Factor and Solve
6x2 + 17x + 12 = 0
x = -4/3, x = -3/2
x = 9, x = 8
x = 4, x = 3
x = -4, x = -3
Solve by factoring: x2 = 7x + 18
-7 and -18
9 and 2
9 and -2
2 and 7
x2 + 4x - 40 = -8
5x2 - 35x + 60 = 0
2(x - 4)2 = 200
a, b, and c for
the quadratic equation:
4x2 – 8x = 3
16a2 - 9 = 0
Solve for x:
(x + 6)2 - 49 = 0
x=7,12
x=±7
x=1,-13
x=43,-55
0=x(x - 6)
Solve the following quadratic equation: x2−6x−7=0
x=7 & x=−1
x=1 & x=−7
x=0
x=5−7
Solve the following quadratic equation by factoring. 2x2−5x+2=0
x=2−1 & x=−2
x=−1 & x=−4
x=4 & x=1
x=21 & x=2
Solve the following quadratic equation: 4x2−9=0
x=23 & x=−23
x=32 & x=3−2
x=49
x=94
x2−7x=0
Solve by the method of your choice.
x = 7 only
x = 0 only
x = 0 and 7
There is no real answer for this equation.
Fill in the formula
x2−6x−40=0
BLUE= (a) RED= (b)
GREEN= (c)
2x2−36=x
x=2−9and 4
x=29 and −4
x=4 and −4
No real solution
