Quiz about End of Module Eureka Review Algebra

Question 1

If f(x)=6x²-4,
what is f(0)?

Accepted Answer

-4

Answer

4

Answer

0

Answer

2

Question 2

If h(a) = 3 - 2a
Find h(-3).

Accepted Answer

9

Answer

12

Answer

-2

Answer

-3

Question 3

Is this table a function or not a function?

Accepted Answer

Function

Answer

Not a Function

Question 4

Is this table a function or not a function?

Accepted Answer

Not a Function

Answer

Function

Question 5

Solve for y:
2x + 2y = 6

Accepted Answer

y = - x + 3

Answer

y = x + 3

Answer

y = 2x +6

Answer

y = - 2x + 6

Question 6

Given y = 2x - 5 , and your domain is {1, 2, 3}. Find the range.

Accepted Answer

{-3, -1, 1}

Answer

{1, 2, 3}

Answer

{7, 9, 11}

Answer

{-1, 0, 1}

Question 7

A set of ordered pairs is called what?

Accepted Answer

Relation

Answer

Coordinates

Answer

Function

Answer

Vertical Line Test

Question 8

When given the domain, you're given the ___________

Choose ALL that apply

Accepted Answer

x value

Answer

y value

Answer

dependent variable

Answer

Output

Question 9

When given the range, you're given the ___________

Choose ALL that apply

Accepted Answer

y value

Answer

x value

Answer

Input

Answer

Independent Variable

Question 10

What is the domain of the mapping?

Accepted Answer

{-4, 1, 3, 7}

Answer

{2, 3, 8}

Answer

{ (-4, 3), (1, 8), (3, 2), (7, 3) }

Answer

{-4, 1, 2, 3, 7, 8}

Question 11

What is the range of the table?

Accepted Answer

{-4, 0, 1, 3}

Answer

{-2, 0, 2, 3}

Answer

{-4, -2, 0, 1, 2, 3}

Answer

{ (0, 0), (2, -4), (3, 3), (-2, 1) }

Question 12

Carey and Justin are raising money to purchase books for their school's library. The more money they raise, the more books they will be able to purchase for the library.
m = the amount of money Carey and Justin raise
b = the number of books Carey and Justin will be able to purchase
Which of the variables is the dependent?

Accepted Answer

b

Answer

m

Question 13

In the United States House of Representatives, the number of Representatives from a state is calculated based on its population.
r = the number of Representatives
p = the population of a state
Which of the variables is independent?

Accepted Answer

p

Answer

r

Question 14

Is this function linear or nonlinear?

Accepted Answer

Linear

Answer

Nonlinear

Question 15

What is the slope?

Accepted Answer

m= -2/3

Answer

m=3/2

Answer

m=-3

Answer

m=2

Question 16

Find slope:

Accepted Answer

m= 4

Answer

m=1/4

Answer

m=-4

Answer

m=-1/4

Question 17

Lee charges $3 for a basket and $2.50 for each pound of fruit picked at the orchard. Write an equation in y = mx + b form for the total cost of x pounds of fruit from the orchard.

Accepted Answer

y = 2.50x + 3

Answer

y = 3x + 2.5

Answer

y = 2.50x

Answer

y = 3x + 2.50

Question 18

You plan to go snowboarding. The resort charges $15 an hour in addition to $25 to rent a board. Write an equation that represents the cost to go snowboarding for the day.

Accepted Answer

y=15x+25

Answer

y=15x-25

Answer

15x+25y=100

Answer

25x+y=15

Question 19

What is the y-intercept?

Accepted Answer

7

Answer

0

Answer

1

Answer

2

Question 20

A local donut shop charged $6.50 for a dozen and provided a coupon in the newspaper for $1.50 off an order. Since the donut shop has gained popularity they have changed their coupon which now provides a discount of only half their original coupon's value. What is the equation that represents the value of a customer's order who uses the new coupon with their order?

Accepted Answer

y = 6.50x - 0.75

Answer

y = 6.50x + 0.75

Answer

y = 6.50x - 1.50 - 0.75

Answer

y = 5x - 0.75

Question 21

Mr. Cabs has a gold membership at the local pet store to buy cheap mice to feed to his iguanas. The function y = 50 + 0.75x can be used to find the cost of purchasing the gold membership and buying x mice from the store. Based on this information, which statement about the graph of this situation is true?

Accepted Answer

The y-intercept represents the cost of purchasing the gold membership.

Answer

The y-intercept represents the number of mice Mr. Cabs purchased from the store.

Answer

The slope of the line represents the cost of purchasing the gold membership.

Answer

The slope of the line represents the total number of mice purchased by Mr. Cabs.

Question 22

A company that manufactures radios first pays a start-up cost, and then spends a certain amount of money to manufacture each radio. If the cost of manufacturing r radios is given by the function c(r) = 5.25r + 125, then the value 5.25 best represents

Accepted Answer

the amount spent to manufacture each radio

Answer

the start-up cost

Answer

the profit earned from the sale of one radio

Answer

the average number of radios manufactured

Question 23

What is the range?

Accepted Answer

{-2,2,5}

Answer

{1,3,5,6}

Answer

all real numbers

Answer

- 2 < y < 5

Question 24

Write in slope intercept form given the slope: m=3 and y int: -2

Accepted Answer

y=3x-2

Answer

y=2/3x

Answer

y=-2x+3

Answer

y=3x

Question 25

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 26

Which set of values is a function?

Accepted Answer

(6,-5) (7, -3) (8, -1) (9, 1)

Answer

(9,5) (10,5) (9,-5) (10,-5)

Answer

(3,4) (4,-3) (7,4) (3, 8)

Answer

(2, -2) (5, 9) (5, -7) (1, 4)

Question 27

What is x if
f(x) = -2?

Accepted Answer

8

Answer

4

Answer

0

Answer

3

Question 28

If f(x) = -4x - 5 and
g(x) = 3 - x,
what is g(-4) + f(1)?

Accepted Answer

-2

Answer

7

Answer

-9

Answer

-10

Question 29

Write the equation with the given point and slope.

Through (-1,4) and m = -3

Accepted Answer

y = -3x + 1

Answer

y = x - 3

Answer

y = x + 2

Answer

y=-3x + 4

Question 30

Determine the slope and y-intercept from the following equation:   4x + y = -10

Accepted Answer

slope: -4   y-intercept:  (0,-10)

Answer

slope: 4   y-intercept:  (0,10)

Answer

slope: -4   y-intercept:  (0,10)

Answer

slope: 4   y-intercept:  (0,-10)

Question 31

Give the x-intercept
3x + 8y = 24

Accepted Answer

(8, 0)

Answer

(0, 8)

Answer

(3, 0)

Answer

(0, 3)

Question 32

What is the x-intercept?

Accepted Answer

(12,0)

Answer

(0,-3)

Answer

(8,-1)

Answer

(0,0)

Question 33

Determine the y-intercept for the following equation
4x + 2y = -12

Accepted Answer

(0,-6)

Answer

(0,-3)

Answer

(-6,0)

Answer

(-3,0)

Question 34

What is the x and y intercept for the following equation ?
4x - 10y = 20

Accepted Answer

x - int = 5
y int = -2

Answer

x - int = 4
y-int = -10

Answer

x-int = 5
y-int = 2

Answer

x -int = 4
y -int = -10

Question 35

Find the function rule.

Accepted Answer

y = 2x +3

Answer

y = 2x

Answer

y = 5x+1

Answer

y = 2x-3

Question 36

Identify the function rule that best represents the following statement:
An apple rolled off a 4 ft table and fell at an average velocity of 0.8 ft/sec. Let h represent the height off the ground of the apple and t the falling time.

Accepted Answer

h = 4 - 0.8t

Answer

h = 4 + 0.8t

Answer

h = 4.8t

Answer

h = 3.2t

Question 37

A plumber charges a service fee of $40 plus $25 per hour for labor.
(A) Write a function rule for the total cost of hiring the plumber for a job that takes x hours.
(B) How much would it cost to hire the plumber for a job that takes 4 hours?

Accepted Answer

(A) y = 40 + 25x
(B) $140

Answer

(A) y = 40x + 25
(B) $185

Answer

(A) y = 40 + 25x
(B) $185

Answer

(A) y = 40x + 25
(B) $140

Question 38

The school cafeteria has 285 cartons of milk in stock. Each day, a total of 60 cartons are sold. Which function rule best represents this situation?

Accepted Answer

y = 285 - 60x

Answer

y = 285x + 60

Answer

y = 285x - 60

Answer

y = 285 + 60x

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