Quiz about Algebra Practice STAAR

Question 1

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 2

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 3

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 4

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

Accepted Answer

5

Answer

-2

Answer

3

Answer

Cannot be Determined

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

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 7

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 8

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 9

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 10

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 11

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

Accepted Answer

Y-INTERCEPT

Answer

SLOPE

Answer

RATE OF CHANGE

Answer

COMMON RATIO

Question 12

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 13

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 14

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

Accepted Answer

Decay

Answer

Growth

Question 15

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

Accepted Answer

Exponential Growth

Answer

Exponential Decay

Answer

Linear

Answer

None

Question 16

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 17

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 18

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 19

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 20

What is the solution to the system?

Accepted Answer

(6, -2)

Answer

(3, -1)

Answer

(2, -6)

Answer

No Solution

Question 21

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 22

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 23

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 24

Pick the correct letter for:
6 > x

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 25

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

Accepted Answer

Solution

Answer

Not a solution

Question 26

What is the equation for axis of symmetry?

Accepted Answer

x=3

Answer

y=3

Answer

x=5

Answer

x=1

Question 27

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 28

How many solutions does this graph have?

Accepted Answer

one

Answer

two

Answer

no solutions

Answer

cannot be determined

Question 29

How many solutions does this graph have?

Accepted Answer

no solutions

Answer

one

Answer

two

Answer

cannot be determined

Question 30

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 31

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 32

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 33

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 34

Factor
9x²+9x-10

Accepted Answer

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

Answer

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

Answer

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

Answer

Not Factorable

Question 35

Factor
81m² - 1

Accepted Answer

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

Answer

not factorable

Answer

(m-9)(m+9)

Answer

9m(9m-1)

Question 36

12x + 9

Accepted Answer

3(4x + 3)

Answer

x(12+9)

Answer

3(4x - 3)

Answer

not factorable

Question 37

which graph best represents h(x) = -f(x) + 3?

Accepted Answer

G

Answer

F

Answer

J

Answer

H

Question 38

which graph best represents -5y = -6x + 15?

Accepted Answer

C

Answer

A

Answer

D

Answer

B

Question 39

equation in slope-intercept form: the line that crosses the x-axis at 36 and perpendicular to the line represented by y = -4/9x + 5?

Accepted Answer

J

Answer

G

Answer

H

Answer

F

Question 40

what is the rate of change of y with respect to x for this function?

Accepted Answer

-1.6/8

Answer

8/-1.6

Answer

-8/1.6

Answer

1.6/-8

Question 41

which statement must be true?

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Question 42

what is the rate of change of y with respect to x?

Accepted Answer

C

Answer

D

Answer

B

Answer

A

Question 43

Solve for w.

5w + 9z = 2z + 3w

Accepted Answer

$$w\ =\ -\frac{7}{2}z$$

Answer

$$w\ =\ -\frac{2}{7}z$$

Answer

w = -2z

Answer

w = -7z

Question 44

Which input value produces the same output value for the two functions on the graph?

Accepted Answer

x = 1

Answer

x = -1

Answer

x = 0

Answer

x = 2

Question 45

Mrs. Jamerson paid $25 for two scarves, which were different prices. When she got home she could not find the receipt. She remembered that one scarf cost $3 more than the other. What was the price of the more expensive scarf?

Accepted Answer

$14

Answer

$11

Answer

$12

Answer

$13

Question 46

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 47

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

Question 48

Accepted Answer

Option B is correct

Answer

A.

Answer

C.

Answer

D.

Question 49

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 50

Accepted Answer

Option B is correct

Answer

A.

Answer

C.

Answer

D.

Question 51

Accepted Answer

Option B is correct

Answer

A.

Answer

C.

Answer

D.

Question 52

Which statements are true?

Select all that apply.

Accepted Answer

The equation of a line with a slope of -3 that passes through (1, 4) is

$$y=-3x+7$$

Accepted Answer

The equation of a line with a slope of 7 that passes through (3, 4) is

$$y-4=7\left(x-3\right)$$

Answer

The equation of a line with a slope of 4 that passes through (1, 2) is

$$y=4x+2$$

Answer

The equation of a line that passes through (0, 5) and (2, 9) is

$$2x-y=5$$

Question 53

Estrella graphs the function $$g\left(x\right)=x^2$$ on a coordinate grid.

Which statements are true?

Accepted Answer

The graph of 2g(x) is narrower than the graph of g(x).

Accepted Answer

The graph of

g(x) - 2 is 2 units below the graph of g(x).

Answer

The graph of

g(x - 1 ) is 1 unit to the left of the graph of g(x).

Answer

The graph of g(4x) is 4 units above the graph of g(x).

Question 54

Which statements are true?

Select all that apply.

Accepted Answer

The equation of a line with a slope of -3 that passes through (1, 4) is

$$y=-3x+7$$

Accepted Answer

The equation of a line with a slope of 7 that passes through (3, 4) is

$$y-4=7\left(x-3\right)$$

Answer

The equation of a line with a slope of 4 that passes through (1, 2) is

$$y=4x+2$$

Answer

The equation of a line that passes through (0, 5) and (2, 9) is

$$2x-y=5$$

Question 55

Estrella graphs the function $$g\left(x\right)=x^2$$ on a coordinate grid.

Which statements are true?

Accepted Answer

The graph of 2g(x) is narrower than the graph of g(x).

Accepted Answer

The graph of

g(x) - 2 is 2 units below the graph of g(x).

Answer

The graph of

g(x - 1 ) is 1 unit to the left of the graph of g(x).

Answer

The graph of g(4x) is 4 units above the graph of g(x).

Question 56

Given $$f\left(x\right)=x^2-36,$$ which statement is true?

Accepted Answer

The zeros, -6 and 6, can be found when

$$0=\left(x+6\right)\left(x-6\right)$$

Answer

The only zero, 6, can be found when

$$0=\left(x-6\right)\left(x-6\right).$$

Answer

The only zero, 18, can be found when

$$0=\left(x-18\right)\left(x-18\right)$$

Answer

The zeros, -18 and 18, can be found when

$$0=\left(x+18\right)\left(x-18\right)$$

Question 57

Question 57.

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 58

Question 58.

Accepted Answer

Option B is correct

Answer

A.

Answer

C.

Answer

D.

Question 59

Question 59.

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 60

Question 60.

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 61

Question 61.

Accepted Answer

Option D is correct

Answer

A.

Answer

B.

Answer

C.

Question 62

Question 62.

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 63

Question 63.

Accepted Answer

Option D is correct

Answer

A.

Answer

B.

Answer

C.

Question 64

Question 64.

Accepted Answer

3

Answer

1

Answer

2

Answer

4

Algebra Practice STAAR

125 questions

What is the domain of the graph?

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?

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?

The function f(x)=1.75x+2 models the total cost to purchase an ice cream sundae with x amount of toppings. Austin only has $8 to spend on his ice cream sundae. What is the most appropriate domain for this situation?

What is the domain of the graph?

What is the range of the graph?

What is the range?

What is the domain of the graph?

What is the range of the graph?

What is the domain?

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