Quiz about 2.15-2.20 Practice

Question 1

From the table, is the function Linear or Nonlinear?

Accepted Answer

Nonlinear

Answer

Linear

Question 2

Is the function Linear or Nonlinear?

Accepted Answer

Linear

Answer

Nonlinear

Question 3

Is the function Linear or Nonlinear?

Accepted Answer

Nonlinear

Answer

Linear

Question 4

Is the function Linear or Nonlinear?

Accepted Answer

Nonlinear

Answer

Linear

Question 5

Is the function Linear or Nonlinear?

Accepted Answer

Linear

Answer

Nonlinear

Question 6

In the equation, y = mx + b, the letter b is the ___________.

Accepted Answer

y-intercept

Answer

x-intercept

Answer

slope

Answer

rate of change

Question 7

What is the slope of the equation?
y = -3x + 4

Accepted Answer

-3

Answer

3

Answer

4

Answer

-4

Question 8

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

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Question 9

What type of slope does the graph have?

Accepted Answer

Zero

Answer

Undefined

Answer

Negative

Answer

Positive

Question 10

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 11

Bob has $150 in his savings account and saves $40 per month. Which function models his savings?

Accepted Answer

y = 40x + 150

Answer

y = 150 + 40

Answer

y = 150x + 40

Question 12

A golf course charges $15 to rent golf clubs and charges $25 per round to play.  Write an equation to represent the total cost, T, for one player.

Accepted Answer

T = 15 + 25r

Answer

T = 15g + 25r

Answer

T = 40 r

Answer

T = 15r + 25

Question 13

What is the range of the following graph?

Accepted Answer

all real numbers

Answer

all integers

Answer

any real number greater than zero

Answer

it can not be determined

Question 14

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

Accepted Answer

(0, -1)

Answer

(0,1/2)

Answer

(0,1)

Answer

(0, -1/2)

Question 15

^{What is the x- intercept of the line?}

Accepted Answer

( -1, 0)

Answer

(1, 0)

Answer

(2, 0)

Answer

(-2, 0)

Question 16

Which of these represents slope-intercept form?

Accepted Answer

y = mx + b

Answer

y - y₁ = m(x-x₁)

Answer

Ax + By = C

Question 17

What is the equation of the line?

Accepted Answer

y=3

Answer

y=3x

Answer

x=3

Answer

y=-3

Question 18

When is the function decreasing?

Accepted Answer

(15, 40)

Answer

(30, 55)

Answer

(40, 60]

Answer

(60, -40)

Question 19

What is the domain of the graph?

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

Question 20

Identify the slope (AC) of triangle ABC.

Accepted Answer

-1/2

Answer

2

Answer

1/2

Answer

-2

Question 21

Find the slope of the line.

Accepted Answer

-5/4

Answer

5/4

Answer

-4/5

Answer

4/5

Question 22

Identify  the slope of the red line.

Accepted Answer

1

Answer

-1

Answer

3

Answer

-3

Question 23

m stands for __________

Accepted Answer

slope

Answer

the X line

Answer

the Y line

Answer

no slope

Question 24

How do you calculate slope using a graph?

Accepted Answer

rise over run

Answer

run over rise

Answer

look at the y intercept

Answer

look at the x intercept

Question 25

Find the slope of the line.

Accepted Answer

4

Answer

1/4

Answer

-1/4

Answer

-4

Question 26

Identify the slope (AC) of triangle ABC.

Accepted Answer

-1/2

Answer

2

Answer

1/2

Answer

-2

Question 27

Identify the slope (AC) of triangle ABC.

Accepted Answer

-1/2

Answer

2

Answer

1/2

Answer

-2

Question 28

Identify the slope of EF in triangle DEF.

Accepted Answer

1

Answer

-1

Answer

3

Answer

-3

Question 29

Identify the slope (CA) of triangle ABC.

Accepted Answer

3

Answer

1/3

Answer

-3

Answer

-1/3

Question 30

Identify the slope (AC) of triangle ABC.

Accepted Answer

-1/2

Answer

2

Answer

1/2

Answer

-2

Question 31

Identify the slope of EF in triangle DEF.

Accepted Answer

1

Answer

-1

Answer

3

Answer

-3

Question 32

Write a linear equation in the form of y=mx+b

Accepted Answer

y = 2x + 2

Answer

y = 2x - 2

Answer

y = x + 2

Answer

y = 3x - 2

Question 33

Write a linear equation in the form of y=mx+b

Accepted Answer

y = -2x + 7

Answer

y = 7x - 2

Answer

y = x + 7

Answer

y = -2x

Question 34

Write a linear equation in the form of y=mx+b

Accepted Answer

y = -2x - 3

Answer

y = 2x - 3

Answer

y = 3x -2

Answer

y= -3x -2

Question 35

Write a linear equation in the form of y=mx+b

Accepted Answer

y = x + 2

Answer

y = 2x + 1

Answer

y = 3x = 2

Answer

y = 2x - 1

Question 36

Write the equation of the line.

Accepted Answer

y= -3x-3

Answer

y= -1x-3

Answer

y= -3x-1

Answer

y=-1/3x-1

Question 37

Which equation matches the graph? (Click me to see the image)

Accepted Answer

y = 1/4 x + 2

Answer

y = 2x

Answer

y = 1x + 4

Answer

y = -2x

Question 38

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

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Question 39

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

Accepted Answer

2

Answer

3

Answer

5

Answer

Cannot be Determined

Question 40

What is the range of the mapping?

Accepted Answer

{1, 2, 4}

Answer

{0, 1, 2, 3}

Answer

{0, 3}

Answer

{1, 4}

Question 41

What is the domain of the relation shown in the table?

Accepted Answer

{6, 18}

Answer

{12}

Answer

{3, 9, 15, 16}

Answer

{13}

Question 42

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 43

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 44

What variable typically represents the domain?

Accepted Answer

x

Answer

y

Question 45

What variable typically represents the range?

Accepted Answer

y

Answer

x

Question 46

What is the domain?

Accepted Answer

(0, 1, 2, 3}

Answer

{0, 1, 2, 15}

Answer

{3, 7, 11, 15}

Answer

{3, 7, 11, 3}

Question 47

What is the range?

Accepted Answer

{3, 7, 11, 15}

Answer

{0, 1, 2, 15}

Answer

(0, 1, 2, 3}

Answer

{3, 7, 11, 3}

Question 48

The set of all the inputs of a relation are called _____.

Accepted Answer

domain

Answer

range

Question 49

The set of all the outputs of a relation are called _____.

Accepted Answer

range

Answer

domain

Question 50

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 51

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 52

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 53

What is the range of the relation shown in the table?

Accepted Answer

{-4, 0, 1. 3}

Answer

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

Answer

{-2, 0, 2, 3}

Answer

{(0,0), (2, - 4),

(3, 3), (-2, 1)}

Question 54

Is this set of ordered pairs a function or not a function?

Accepted Answer

Function

Answer

Not a Function

Question 55

Is this a function?

Accepted Answer

No, it is not a function.

Answer

Yes, it is a function.

Question 56

.

Accepted Answer

Not a Function

Answer

Function

Question 57

Is this is a function or not a function?

Accepted Answer

Not a Function

Answer

Function

Question 58

Is the mapping a function or not?

Accepted Answer

Function

Answer

Not a Function

Question 59

Is this relation a function?

{(6, 5), (7, 3), (8, 1), (9, 1)}

Accepted Answer

Yes, a Function

Answer

No, not a Function

Question 60

Is this table a function or not a function?

Accepted Answer

Not a Function

Answer

Function

Question 61

Is this set of ordered pairs a function?

{(9, 2), (-3, 2), (9, 0), (2, 2), (1, 2)}

Accepted Answer

No, not a Function

Answer

Yes, a Function

Question 62

Is the mapping a function or not?

Accepted Answer

Not a Function

Answer

Function

Question 63

Identify the domain values from the relation below:

{(3, 5), (-3, 7), (0, 8), (-6, 4)}

Accepted Answer

{3, -3, 0, -6}

Answer

{5, 7, 8, 4}

Answer

{(3,5), (-3,7), (0,8), (-6,4)}

Answer

{3, -3, -6}

Question 64

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

Accepted Answer

2

Answer

3

Answer

5

Answer

Cannot be Determined

2.15-2.20 Practice

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