Quiz about Relations and Functions / Linear Functions

Question 1

Does this table represent a function?

Accepted Answer

Not a Function

Answer

Function

Question 2

Is this relation a function?

Accepted Answer

True

Answer

False

Question 3

Is the relation a function? Why.

Accepted Answer

No, because the x-value 11 has two y-values pair with it.

Answer

Yes, because the x-value 11 has two y-values pair with it.

Answer

Yes, because each x-value has only one y-value paired with it.

Answer

No, because each x-value has only one y-value paired with it.

Question 4

Determine if (-3,-7) is a solution to 3x+2y=-23

Accepted Answer

Solution

Answer

Not a Solution

Question 5

What is the slope in the equation y=2x + 3?

Accepted Answer

2

Answer

3

Answer

5

Answer

Cannot be Determined

Question 6

What type of slope?

Accepted Answer

Undefined

Answer

Negative

Answer

Positive

Answer

Zero

Question 7

Which graph represents the graph of a linear function?

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Question 8

What does 'b" represent in y=mx=b

Accepted Answer

Y-intercept

Answer

The Book of Life

Answer

Alphabet letter

Answer

Slope

Question 9

Is this function linear or nonlinear?

Accepted Answer

Linear

Answer

Nonlinear

Question 10

Is the function linear or nonlinear?

Accepted Answer

Nonlinear Function

Answer

Linear Function

Question 11

Find the slope given the following points: (5,1) and (3,1)

Accepted Answer

m=0

Answer

m=1/4

Answer

m=1

Answer

m=undefined

Question 12

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

Accepted Answer

y = 2.50x + 3

Answer

y = 3x + 2.5

Answer

y = 2.50x

Answer

y = 3x + 2.50

Question 13

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 14

_{What is the y-intercept of the line?}

Accepted Answer

(0,-1)

Answer

(0,1/2)

Answer

(1,0)

Answer

(-1/2,0)

Question 15

Which situation can be represented by y = 17x - 8?

Accepted Answer

The cost, y, of buying Star Wars figurines at $17 each with an $8 discount.

Answer

The number of seeds, y, needed to feed 8 hamsters 17 seeds each.

Answer

The earnings from a lemonade stand, y, selling glasses at 17 dollars each with $8 in the tip jar.

Answer

The cost, y, of buying 17 movie tickets that sell for $8 each.

Question 16

What is the rate of change for the following graph?

Accepted Answer

40

Answer

80

Answer

20

Answer

160

Question 17

Which of the following are ways to find the rate of change?

Accepted Answer

All of the above.

Answer

Change in y over change in x.

Answer

Rise over run.

Answer

Subtract y coordinates over subtract x coordinates.

Question 18

Question 18.

Accepted Answer

Taylor can write 25 words per minute

Answer

Taylor can write 6 words per minute

Answer

Taylor can write 50 words per minute

Answer

Taylor can write 150 words per minute

Question 19

A climber is on a hike. After 2 hours he is at an altitude of 400 feet. After 6 hours, he is at an altitude of 700 feet. What is the average rate of change?

Accepted Answer

75

Answer

200

Answer

150

Answer

300

Question 20

Find the rate of change

Accepted Answer

2

Answer

1

Answer

11

Answer

Not a constant slope/Non-Linear

Relations and Functions / Linear Functions

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