Quiz about Algebra I STAAR EOC Review

Question 1

What is the domain of this function?
(2, 4), (5, 5), (8, 6), (11, 7)

Accepted Answer

(2, 5, 8, 11}

Answer

{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11)

Answer

{4, 5, 6, 7}

Answer

{2, 4, 5, 8, 6, 11, 7}

Question 2

What is the domain of the graph?

Accepted Answer

numbers between and including 1 and 4

Answer

numbers between and including 1 and 5

Answer

All positive numbers

Answer

All positive numbers greater than 1

Question 3

The function f(x)=3.25x+2 models the the total cost to bowl x number of games. What is the most appropriate domain of the function?

Accepted Answer

All non-negative integers

Answer

All integers

Answer

All rational numbers

Answer

All non-negative rational numbers

Question 4

The function f(x)=0.49x models the cost to purchase x pounds of apples from the grocery store.  What is the most appropriate domain for the function?

Accepted Answer

All non-negative rational numbers

Answer

All integers

Answer

All rational numbers

Answer

All non-negative integers

Question 5

Write the equation for the line in slope-intercept form.

Accepted Answer

y= 4x+3

Answer

y= -1x+3

Answer

y=1/4x+3

Answer

y= -4x+3

Question 6

What is the y-intercept in the equation y= -2x + 5

Accepted Answer

5

Answer

-2

Answer

3

Answer

Cannot be Determined

Question 7

Find the slope of the line that passes through
(1, -19) and (-2, -7)

Accepted Answer

-4

Answer

4

Answer

1/4

Answer

-1/4

Question 8

Write in slope intercept form
5x - 3y = -9

Accepted Answer

y = (5/3)x + 3

Answer

y = (5/3)x - 3

Answer

y = (5/3)x + 9

Answer

y = (3/5)x + 3

Question 9

Find the x and y intercepts
4x - 5y = 40

Accepted Answer

x intercept is 10
y intercept is -8

Answer

x intercept is 10
y intercept is 8

Answer

x intercept is 10
y intercept is 20

Answer

x intercept is 8
y intercept is 10

Question 10

Write the equation in point-slope form of the line that passes through the given point and has the given slope.
(4, -7); m = -1/4

Accepted Answer

y +7 = -1/4(x - 4)

Answer

y - 4 = -1/4(x + 7)

Answer

y+ 7 = 4(x - 4)

Answer

y - 7 = -1/4(x - 4)

Question 11

Write the equation of a line parallel to the one pictured through the point (3,1) in point slope form.

Accepted Answer

y-1=1/2(x-3)

Answer

y+1=1/2(x+3)

Answer

y-1=-1/2(x-1)

Answer

y+1=-1/2(x+3)

Question 12

In an exponential function, what does the 'a' represent?

Accepted Answer

Y-INTERCEPT

Answer

SLOPE

Answer

RATE OF CHANGE

Answer

COMMON RATIO

Question 13

What is a, the starting term, for the function: f(x) = 300(1.16)^x?

Accepted Answer

300

Answer

1.16

Answer

.16

Answer

x

Question 14

A population of 2200 beetles is too large to sustain and decreases in population each month at a rate of 5%. How would you write your decay factor, b?

Accepted Answer

.95

Answer

-5

Answer

-.05

Answer

.05

Question 15

Which of the following functions shows an initial amount of $15 and an increase of 35% each year?

Accepted Answer

y = 15(1.35)^x

Answer

y = 15(35)^x

Answer

y = 15(0.35)^x

Answer

y = 35(1.15)^x

Question 16

Classify the model as Exponential GROWTH or DECAY.
A=1200(.85)⁶

Accepted Answer

Decay

Answer

Growth

Question 17

Is the pictured graph growth, decay, or linear or none?

Accepted Answer

Exponential Growth

Answer

Exponential Decay

Answer

Linear

Answer

None

Question 18

James' 70 in. giant peach doubles in size every week. Write an expression that would represent how big the peach is after 5 weeks.

Accepted Answer

70(2)5

Answer

70(2)35

Answer

2(70)5

Answer

5(70)2

Question 19

Suppose a culture of bacteria begins with 5000 cells and dies by 30% each year. Write an equation that represents this situation.

Accepted Answer

y=5000(0.7)^x

Answer

y=30(5000)^x

Answer

y=5000(1.3)^x

Answer

y=5000xx

Question 20

The number of mosquitoes at the beginning of the summer was 4,000. The population of mosquitoes is expected to grow at a rate of 25% a month. How many mosquitoes will there be after 4 months?

Accepted Answer

9765

Answer

9766

Answer

9006

Answer

5433

Question 21

Steffen graphed two lines in order to find the solution to a given system of equations.
What is the solution?

Accepted Answer

(-3,-8)

Answer

(-8,-3)

Answer

(3,-8)

Answer

(8,3)

Question 22

What is the solution to the system?

Accepted Answer

(6, -2)

Answer

(3, -1)

Answer

(2, -6)

Answer

No Solution

Question 23

Solve the following system by graphing.  What is the solution?

Accepted Answer

(3, 3)

Answer

Infinite number of solutions

Answer

(3, -3)

Answer

(-3, 3)

Question 24

Solve for x and y
3x + 2y = 16
7x + y = 19

Accepted Answer

(2,5)

Answer

(-2,5)

Answer

(-2,-5)

Answer

(2,-5)

Question 25

A manager purchased a total of 21 coffee mugs and key chains. Each coffee mug cost $8.50, and each key chain cost $2.75. If the manager spent a total of $132.50, how many coffee mugs did the manager purchase?

Accepted Answer

13

Answer

21

Answer

8

Answer

14

Question 26

Pick the correct letter for:
6 > x

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 27

When graphing b < 6 would you use an open or closed circle?

Accepted Answer

Open

Answer

closed

Question 28

Which system of inequalities matches the graph?

Accepted Answer

x > 2
y <- 4

Answer

x> -2
y < -4

Answer

x< 2 y> 4

Answer

x > 2
y < 4

Question 29

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

Accepted Answer

Solution

Answer

Not a solution

Question 30

What is the equation for axis of symmetry?

Accepted Answer

x=3

Answer

y=3

Answer

x=5

Answer

x=1

Question 31

What are the green dots called?

Accepted Answer

roots or x-intercepts

Answer

axis of symmetry

Answer

vertex

Answer

parabola

Question 32

Does this parabola have a maximum or minimum?

Accepted Answer

Minimum

Answer

Maximum

Question 33

What are the x- intercepts?

Accepted Answer

x= 0 and x= 4

Answer

x= 0 and x= -4

Answer

y= 0

Answer

x= 2

Question 34

How many solutions does this graph have?

Accepted Answer

one

Answer

two

Answer

no solutions

Answer

cannot be determined

Question 35

How many solutions does this graph have?

Accepted Answer

no solutions

Answer

one

Answer

two

Answer

cannot be determined

Question 36

Factor
k²+7x+10

Accepted Answer

(k+2)(k+5)

Answer

(k-2)(k-5)

Answer

(k+10)(k+4)

Answer

(k+2)(k-5)

Question 37

Factor
k² -2k - 24

Accepted Answer

(k+4)(k-6)

Answer

(k+4)(k+6)

Answer

(k+6)(k-1)

Answer

(k-4)(k+6)

Question 38

Factor
3v² - 4v - 7

Accepted Answer

(3v-7)(v+1)

Answer

3(v-7)(v-1)

Answer

(3v+1)(v-9)

Answer

(3v+1)(v-10)

Question 39

Factor
2x² - 13x - 70

Accepted Answer

(2x+7)(x-10)

Answer

(2x-7)(x+10)

Answer

(7x+5)(x+2)

Answer

2(x+7)(x+10)

Question 40

Factor
9x²+9x-10

Accepted Answer

(3x+5)(3x-2)

Answer

(3x-5)(3x+2)

Answer

(3x+5)(3x+2)

Answer

Not Factorable

Question 41

Factor
81m² - 1

Accepted Answer

(9m-1)(9m+1)

Answer

not factorable

Answer

(m-9)(m+9)

Answer

9m(9m-1)

Question 42

12x + 9

Accepted Answer

3(4x + 3)

Answer

x(12+9)

Answer

3(4x - 3)

Answer

not factorable

Question 43

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.
How many seconds did it take for the ball to reach its maximum height?

Accepted Answer

2 seconds

Answer

10 seconds

Answer

64 seconds

Answer

960 seconds

Question 44

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?

Accepted Answer

10 seconds

Answer

2 seconds

Answer

5 seconds

Answer

7 seconds

Question 45

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.
What is the maximum height?

Accepted Answer

1024 feet

Answer

960 feet

Answer

1008 feet

Answer

1152 feet

Question 46

Find the 22nd term of the following sequence:
5, 8, 11, ...

Accepted Answer

68

Answer

14

Answer

63

Answer

71

Question 47

Identify the common difference.
10, 20, 30, 40, ...

Accepted Answer

10

Answer

5

Answer

15

Answer

20

Question 48

What are the next 3 terms in this sequence of terms? 3, 7, 11, 15

Accepted Answer

19, 23, 27

Answer

18, 22, 26

Answer

19, 21, 23

Answer

18, 21, 24

Question 49

Is the sequence geometric or arithmetic?
3, 6, 9, 12...

Accepted Answer

Arithmetic

Answer

Geometric

Answer

Neither

Question 50

What is the explicit rule for the sequence:
11, 22, 44, 88...

Accepted Answer

a_n = 11(2)^n-1

Answer

a_n = 2(11)^n-1

Answer

an = 11x2

Question 51

This image shows how a certain bacteria grows in a petri dish. What is the common ratio of this sequence?

Accepted Answer

2

Answer

4

Answer

3

Answer

6

Question 52

Anything raised to a power of zero is always:

Accepted Answer

1

Answer

0

Answer

itself

Answer

negative

Question 53

(34x⁵y⁶z^-7)⁰

Accepted Answer

1

Answer

34x⁵y⁶ / z⁷

Answer

34x⁵y⁶ / x^-7

Answer

0

Question 54

Fill in the blank with the correct exponent to make the statement true.
3^{16 =}(3⁸)(3^_)

Accepted Answer

8

Answer

2

Answer

4

Answer

1

Question 55

Simplify the exponential expression:

Accepted Answer

2x2

Answer

10x-2

Answer

2x12

Answer

10x12

Question 56

Simplify the exponential expression.

Accepted Answer

8x6y12

Answer

2x6y12

Answer

2x5y7

Answer

8x5y7

Question 57

(2x3y)6

Accepted Answer

64x¹⁸y⁶

Answer

2x¹⁸y⁶

Answer

64x3y6

Answer

2x3y6

Question 58

(2m⁴)(5m²)

Accepted Answer

10m6

Answer

10m8

Answer

7m6

Answer

7m8

Question 59

1.) Simplify
(2a²b⁴z)(6a³b²z⁵)

Accepted Answer

12a⁵b⁶z⁶

Answer

8a⁵b⁶z⁶

Answer

12a⁶b⁸z⁵

Answer

8a⁶b⁸z⁵

Question 60

Application:
Express the area of the rectangle as a monomial.

Accepted Answer

10x³y⁸z⁴

Answer

7x³y⁸z⁴

Answer

10x²y¹⁶z³

Answer

none of the above

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