Quiz about linear functions

Question 1

Identify the slope and y-intercept of:
y = 1/5x + 5

Accepted Answer

slope: 1/5   y-intercept:  5

Answer

slope: 1/6   y-intercept:  4

Answer

slope: 5/1   y-intercept:  5

Answer

slope: 1   y-intercept:  5

Question 2

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 3

Which of the following has a y-intercept of 3?

Accepted Answer

y=2x+3

Answer

y = 3x +2

Answer

x=3

Answer

y=x

Question 4

What is the y-intercept in the equation?

y = 5x - 4

Accepted Answer

(0,-4)

Answer

(0,5)

Answer

(-4,0)

Answer

(5,0)

Question 5

This function has the same rate of change.

Accepted Answer

Linear

Answer

Exponential

Answer

Neither

Question 6

The graph of this function is a straight line.

Accepted Answer

Linear

Answer

Exponential

Answer

neither

Question 7

The graph of this function is a curve going up really fast or down really fast.

Accepted Answer

Exponential

Answer

Linear

Answer

Neither

Question 8

What type of function is this equation:
y= -3x + 12

Accepted Answer

Linear

Answer

Exponential

Answer

Neither

Question 9

What type of function describes the story below?
You have $10 and earn $5 every week.

Accepted Answer

Linear

Answer

Exponential

Answer

Neither

Question 10

Question 10.

Accepted Answer

Not a Function

Answer

Function

Question 11

Is this mapping a function or not a function?

Accepted Answer

Not a Function

Answer

Function

Question 12

All of the y values or outputs are called what?

Accepted Answer

Range

Answer

Domain

Answer

Relation

Answer

Function

Question 13

All of the x values or inputs are called what?

Accepted Answer

Domain

Answer

Range

Answer

Relation

Answer

Function

Question 14

Which of these is NOT the same

Accepted Answer

Input

Answer

Range

Answer

Dependent Value

Answer

Y-Value

Question 15

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 16

What is the range of the following relation:
(9, -2) (4, 3) ( 8, 10) ( -4, 8)

Accepted Answer

-2, 3, 8, 10

Answer

-4, 4, 8, 9

Answer

(9, -2) ( 4, 3)

Answer

(8, 10) (-4, 8)

Question 17

A set of ordered pairs is called what?

Accepted Answer

Relation

Answer

Coordinates

Answer

Function

Answer

Vertical Line Test

Question 18

Give the domain and range. Tell if it is a function.

Accepted Answer

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

Answer

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

Answer

D: {-4, -2, 0, 2}
R: {-2, -2, 1, 1}
Not a Function

Answer

D: {-4, -2, 0, 2}
R: {-2, 1}
Not a Function

Question 19

If f(x)=3x-9, find f(5).

Accepted Answer

f(5) = 6

Answer

f(5) = 16

Answer

f(5) = -4

Answer

f(5) = 24

Question 20

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 21

Is this mapping a function or not a function?

Accepted Answer

Not a Function

Answer

Function

Question 22

Is this graph a function or not a function?

Accepted Answer

Not a Function

Answer

Function

Question 23

Is this graph a function or not a function?

Accepted Answer

Function

Answer

Not a Function

Question 24

Give the domain and range. Tell if it is a function.

Accepted Answer

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

Answer

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

Answer

D: {-4, -2, 0, 2}
R: {-2, -2, 1, 1}
Not a Function

Answer

D: {-4, -2, 0, 2}
R: {-2, 1}
Not a Function

Question 25

How many 35 cent lollies can you buy with $2.10?

Accepted Answer

6

Answer

7

Answer

9

Answer

4

Question 26

Which of these fractions give a recurring decimal?

Accepted Answer

3/7

Answer

1/8

Answer

2/5

Answer

9/10

Question 27

A group of boys are building a skate ramp onto the side of a concrete ledge. The concrete ledge is 4 feet tall. If the board they are using is 6 feet long, how many feet from the concrete will the end of the board reach?

Accepted Answer

4.5 feet

Answer

5 feet

Answer

7.2 feet

Answer

8 feet

Question 28

A fireman leans a ladder that is 13 feet long against a tree. The base of the ladder is 5 feet from the base of the tree. How far up the tree will the ladder reach?

Accepted Answer

12 feet

Answer

13.9 feet

Answer

4.2 feet

Answer

18 feet

Question 29

A square has a side length of 3 inches. What is the length of the diagonal distance across the square?

Accepted Answer

4.2 inches

Answer

6 inches

Answer

9 inches

Answer

3 inches

Question 30

A boat at sea drops its anchor. The rope tied to the anchor is 25 feet long. If sea floor is 20 feet below, how far in any direction can the boat drift?

Accepted Answer

32.01 feet

Answer

15 feet

Answer

6.71 feet

Answer

2.24 feet

Question 31

Televisions are measured by the length of their diagonal. The TV is advertised as being 36 inches and you measure the length to be 30 inches. What is the height of the TV?

Accepted Answer

19.9 inches

Answer

46.9 inches

Answer

8.1 inches

Answer

32.9 inches

Question 32

On a baseball diamond (which is just a square turned on its corner), the distance from home plate to first base is 90 feet. How far would someone have to throw a baseball to make it from second base to home plate?

Accepted Answer

127.28 feet

Answer

99.49 feet

Answer

90 feet

Answer

13.42 feet

Question 33

A decimal that stops is which type of number? Example: 2.75

Accepted Answer

Rational

Answer

Irrational

Answer

None of these

Question 34

Which of the following is irrational?

Accepted Answer

Square root of 12

Answer

Square root of 81

Answer

Square root of 9

Answer

Square root of 144

Question 35

1,378,472,706 and best be classified as what?

Accepted Answer

natural, whole, integer, rational, real

Accepted Answer

natural, whole, integer, rational

Answer

whole, integer, rational

Answer

rational

Question 36

Classify -7

Accepted Answer

Rational

Accepted Answer

Integer

Answer

Irrational

Answer

Whole

Answer

Natural

Question 37

Classify 0

Accepted Answer

Rational

Accepted Answer

Integer

Accepted Answer

Whole

Answer

Irrational

Answer

Natural

linear functions

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics