Quiz about Linear Functions

Question 1

Find the slope of the line.

Accepted Answer

-1

Answer

-2

Answer

2

Answer

1

Question 2

Find the slope of the line.

Accepted Answer

0

Answer

Undefined

Answer

1

Answer

-1

Question 3

Find the slope of the line.

Accepted Answer

Undefined

Answer

0

Answer

1

Answer

-1

Question 4

Find the slope of the line that passes through the points (2, 4) and (6, 12)

Accepted Answer

2

Answer

1/2

Answer

-1/2

Answer

-2

Question 5

What is the y-intercept of the equation:
y = 2x - 3

Accepted Answer

-3

Answer

-2

Answer

2

Answer

3

Question 6

Find the slope:
y = 2x - 10

Accepted Answer

2

Answer

1/2

Answer

5

Answer

-10

Question 7

Determine the slope and y-intercept.         y = 3/2x + 3

Accepted Answer

slope: 3/2   y-intercept:  (0,3)

Answer

slope: 5   y-intercept:  (0,3)

Answer

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

Answer

slope: 1/5   y-intercept:  (0,5)

Question 8

Write the equation of the line.

Accepted Answer

y=(3/5)x-1

Answer

y=(3/5)x+1

Answer

y=(5/3)x+1

Answer

y=(3/5)x+1

Question 9

Write the equation for the line.

Accepted Answer

y= 4x+3

Answer

y= -1x+3

Answer

y=(1/4)x+3

Answer

y= -4x+3

Question 10

What is the equation of the line?

Accepted Answer

y=3

Answer

y=3x

Answer

x=3

Answer

y=-3

Question 11

Write the equation for the line.

Accepted Answer

y= 4x+3

Answer

y= -1x+3

Answer

y=1/4x+3

Answer

y= -4x+3

Question 12

If m=3 and b=6, what is the correct slope intercept equation?

Accepted Answer

y=3x+6

Answer

y=3-6

Answer

y=3x-6

Answer

y=6x+3

Question 13

Which equation represents the following graph?

Accepted Answer

y = 2x + 3

Answer

y = 3x + 2

Answer

y = -2x + 3

Answer

y = -3x + 2

Question 14

Find the slope

Accepted Answer

-5/3

Answer

-3/5

Answer

5/3

Answer

3/5

Question 15

Which is the graph of y=-x+2?

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Question 16

What is the y-intercept?

Accepted Answer

7

Answer

0

Answer

1

Answer

2

Question 17

Find slope:

Accepted Answer

m= 4

Answer

m=1/4

Answer

m=-4

Answer

m=-1/4

Question 18

Which company shows a greater rate of change?

Accepted Answer

Water's Edge Rafts

Answer

Ryan's Rafts

Question 19

Jenny went to the sale at Kohl's last weekend.
T-shirts were on sale for $15 each and hoodies were on sale for $20 each. If she spent $150 total, write an equation to represent this situation.

Accepted Answer

15x + 20y = 150

Answer

20x + 15 = y

Answer

35x = y

Answer

150 - 20x = 15y

Question 20

Which point below is NOT part of the solution set?

Accepted Answer

(-10, -10)

Answer

(0, 0)

Answer

(-1, 5)

Answer

(5, 20)

Question 21

How can I tell if the graph of an inequality will have a solid line?

Accepted Answer

The symbol has "or equal to."

Answer

It has just an equal sign.

Answer

The symbol is greater than.

Answer

You just guess.

Question 22

Which point is not a solution?

Accepted Answer

(-1, 2)

Answer

(1, 3)

Answer

(3, -2)

Answer

(5, 0)

Question 23

The members of a new band want to spend no more than $75 for at least 60 fliers to advertise their upcoming concert.  The cost color fliers is $1.50 each, the cost of black and white fliers is $0.75 each. Which of the following combinations is a reasonable solution?

Accepted Answer

30 color, 35 black and white

Answer

26 color, 30 black and white

Answer

60 color

Answer

30 color, 50 black and white

Question 24

The amusement park charges $20 to get in plus $1.50 per ride. Which linear equation below represents this relationship.

Accepted Answer

y=1.5x + 20

Answer

y=1.5+20x

Answer

y = 20x + 1.5

Answer

y= 21.5x

Question 25

The total cost (y) at an amusement park can be modeled by y=1.5x+20 where x is the number of rides you ride. What is the entrance fee?

Accepted Answer

20

Answer

1.5

Answer

200

Answer

0

Question 26

The total cost (y) at an amusement park can be modeled by y=1.5x+20 where x is the number of rides you ride. What is the price per ride?

Accepted Answer

1.5

Answer

21.5

Answer

0

Answer

20

Question 27

The total cost (y) at Six Flags can be modeled by y=1.5x+20 where x is the number of rides you ride. Splash Down Dune's can be modeled by y = 2.4x + 15. Which has the steeper slope?

Accepted Answer

Splash Down Dunes

Answer

Six Flags

Answer

They are the same

Question 28

The total cost (y) at Six Flags can be modeled by y=1.5x+20 where x is the number of rides you ride. Splash Down Dune's can be modeled by y = 2.4x + 15. Which has a greater entrance fee?

Accepted Answer

Six Flags

Answer

Splash Down Dunes

Answer

They are the same

Question 29

The total cost (y) at an amusement park can be modeled by y=1.5x+20 where x is the number of rides you ride. What is the price to ride 10 rides?

Accepted Answer

35

Answer

21.5

Answer

30

Answer

30.50

Question 30

The total cost (y) at an amusement park can be modeled by y=1.5x+20 where x is the number of rides you ride. If you spend $23, how many rides did you ride?

Accepted Answer

2

Answer

1

Answer

3

Answer

54.50

Question 31

Is this mapping a function or not a function?

Accepted Answer

Function

Answer

Not a Function

Question 32

Is this mapping a function or not a function?

Accepted Answer

Not a Function

Answer

Function

Question 33

What is the definition of a function?

Accepted Answer

Every input has only ONE output

Answer

Has inputs and outputs

Answer

Inputs have different outputs every time

Answer

x-values and y-values

Question 34

Which of the following is NOT a function?

Accepted Answer

x = 3

Answer

y = 4

Answer

y=2x

Answer

y=x

Question 35

For the function {(0,1), (1,-3), (2,-4), (-4,1)}, write the domain and range.

Accepted Answer

D:{0, 1, 2, -4}
R:{1, -3, -4}

Answer

D: {1, -3, -4,}
R: {0, 1, 2, -4}

Answer

D:{0, 1, 2, 3, 4}
R:{1, -3, -4}

Question 36

Is this a function? Explain.

Accepted Answer

Yes; it passes the vertical line test.

Answer

Yes; it passes the horizontal line test.

Answer

No; it is not a straight line.

Answer

No; there is a line connecting the dots.

Question 37

What is the slope-intercept form of a line?

Accepted Answer

y = mx + b

Answer

Ax + By = C

Answer

y - y1 = m(x - x1)

Answer

y = Ax + By

Question 38

What is standard form of a line?

Accepted Answer

Ax + By = C

Answer

y = mx + b

Answer

y - y1 = m(x - x1)

Answer

y = Ax + By

Question 39

Which equation is written in STANDARD form?

Accepted Answer

-7x + 2y = 9

Answer

y = 1/2x + 2

Answer

y - 3 = -5(x + 2)

Answer

3x + 2 = y

Question 40

What is the y-intercept of
2x-5y=35?

Accepted Answer

(0,-7)

Answer

(-7,0)

Answer

(35/2, 0)

Answer

(0,35/2)

Question 41

What is the slope of
6x-y=9?

Accepted Answer

6

Answer

9/6

Answer

-9

Answer

-6

Linear Functions

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