Quiz about Relations, Functions, Function Notation, Linear Equations

Question 1

Is the relation a function?
{(4,5), (4,-7), (4,2), (4,0), (4,9)}

Accepted Answer

No

Answer

Yes

Question 2

Is this mapping a function or not a function?

Accepted Answer

Function

Answer

Not a Function

Question 3

Is this table a function or not a function?

Accepted Answer

Not a Function

Answer

Function

Question 4

What is the domain of the given relation:
{(-1, 2),(3, 5),(-5,7)}

Accepted Answer

{-1, 3, -5}

Answer

{2, 5, 7}

Answer

{1, 2, 3, 5, -5, 7}

Answer

The domain is not given.

Question 5

What is the range of the given relation?

Accepted Answer

{1, 4, 5, 8}

Answer

{-9, -5, 1, 7}

Answer

{-9, -5, 1, 7, 4, 5, 8}

Answer

{4, 5, 8}

Question 6

Is the following relation a function?

Accepted Answer

Yes

Answer

No

Question 7

If f(x)=-3x-1, find f(-5).

Accepted Answer

14

Answer

-16

Answer

16

Answer

15

Question 8

If g(x)=2x²-7x, find g(-1).

Accepted Answer

9

Answer

6

Answer

-5

Answer

-9

Question 9

All of the x values or inputs are called what?

Accepted Answer

Domain

Answer

Range

Answer

Relation

Answer

Function

Question 10

All of the y values or outputs are called what?

Accepted Answer

Range

Answer

Domain

Answer

Relation

Answer

Function

Question 11

Which relation is NOT a function?

Accepted Answer

{(1,-5), (-1,6), (1,5), (6,-3)}

Answer

{(1,-5), (3,1), (-5,4), (4,-2)}

Answer

{(2,7), (3,7), (4,7), (5,8)}

Answer

{(3,-2), (5,-6), (7,7), (8,8)}

Question 12

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 13

Is this a function?

Accepted Answer

Yes

Answer

No

Question 14

Is this graph a function or not a function?

Accepted Answer

Not a Function

Answer

Function

Question 15

Is this graph a function or not a function?

Accepted Answer

Function

Answer

Not a Function

Question 16

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

Accepted Answer

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

Answer

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

Answer

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

Answer

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

Question 17

Identify the domain of the following relation:

Accepted Answer

{-6, 0, 2, 4}

Answer

{-6, 14, 2, 28}

Answer

{(-6,14), (0,32), (2,38), (4,44)}

Answer

{14, 32, 38, 44}

Question 18

Question 18.

Accepted Answer

Function

Answer

Not a Function

Question 19

Question 19.

Accepted Answer

Not a Function

Answer

Function

Question 20

Bob has $150 in his savings account and saves $40 per month.

Accepted Answer

y=40x + 150

Answer

y=150 + 40

Answer

y=150x + 40

Question 21

In the equation y=mx+b, what does the m represent?

Accepted Answer

slope

Answer

y-intercept

Answer

linear

Answer

point-slope

Question 22

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

Accepted Answer

2

Answer

3

Answer

5

Answer

Cannot be Determined

Question 23

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

Accepted Answer

y-intercept

Answer

x-intercept

Answer

nothing

Answer

slope

Question 24

Determine the slope and y-intercept from the following equation:   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 25

Find the slope of the line.

Accepted Answer

1/2

Answer

-1/2

Answer

2

Answer

-2

Question 26

What is the y-intercept for the given graph?

Accepted Answer

-1

Answer

-5

Answer

5

Answer

1

Question 27

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

Accepted Answer

y = -1

Answer

y = 1/2

Answer

y = 1

Answer

y = -1/2

Question 28

What is the equation for the line with a slope of 7 and passes through (0,1)?

Accepted Answer

y = 7x + 1

Answer

y = -7x + 1

Answer

y = -1/7x - 1

Answer

y = -1/7x + 1

Question 29

Give the equation for the graph

Accepted Answer

y = - 2x + 4

Answer

y = 5x - 3

Answer

y = 4x + 2

Answer

y =-2x + 5

Question 30

Given the equation y = 2x+3, what is the slope?

Accepted Answer

2

Answer

x

Answer

3

Answer

y

Question 31

What is the slope of the line passing through the points (3,5) and (-1,7)?

Accepted Answer

-1/2

Answer

-1

Answer

-2

Answer

1/2

Question 32

What is the equation for the line that passes through the points (4,2) and (0,6)?

Accepted Answer

y = -x + 6

Answer

y = x + 6

Answer

y = -2x + 2

Answer

y = -x - 6

Question 33

What type of slope does the following graph have?

Accepted Answer

Negative

Answer

Postive

Answer

Zero Slope

Answer

Undefined

Question 34

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

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Question 35

What is the slope of the line graphed above?

Accepted Answer

Zero

Answer

Positive

Answer

Negative

Answer

Undefined

Question 36

What is the slope of the line graphed above?

Accepted Answer

undefined

Answer

negative

Answer

positive

Answer

zero

Question 37

What is the equation of the line graphed above?

Accepted Answer

x=3

Answer

y=3

Answer

y=3x

Answer

x= -3

Question 38

What is the equation of the line graphed above?

Accepted Answer

y= -4

Answer

x= -4

Answer

y= -4x

Answer

y=x

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