Quiz about Unit 2 Part A Test

Question 1

What is the definition of 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 2

All of the y values are called what?

Accepted Answer

Range

Answer

Domain

Answer

Relation

Answer

Function

Question 3

All of the x values or inputs are called what?

Accepted Answer

Domain

Answer

Range

Answer

Relation

Answer

Function

Question 4

Which set of values is a function?

Accepted Answer

(6,-5) (7, -3) (8, -1) (9, 1)

Answer

(9,5) (10,5) (9,-5) (10,-5)

Answer

(3,4) (4,-3) (7,4) (3, 8)

Answer

(2, -2) (5, 9) (5, -7) (1, 4)

Question 5

Does this relation represent a function?
(1,5), (1,6), (1,7), (1,8), (1,9)

Accepted Answer

No

Answer

Yes

Question 6

Is this mapping a function or not a function?

Accepted Answer

Not a Function

Answer

Function

Question 7

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 8

Is this table a function or not a function?

Accepted Answer

Not a Function

Answer

Function

Question 9

In order to be a function the following must be true.

Accepted Answer

each x value has only one y value

Answer

each y value has only one x value

Answer

each x  has only one y & each y has only one x

Answer

each x and y are equal

Question 10

Question 10.

Accepted Answer

Not a Function

Answer

Function

Question 11

Find the slope of the line.

Accepted Answer

-1

Answer

-2

Answer

2

Answer

1

Question 12

What is the slope?

Accepted Answer

2

Answer

1/2

Answer

7

Answer

3

Question 13

Which of the following is a function?

Accepted Answer

Option D is correct

Answer

A.

Answer

B.

Answer

C.

Question 14

Is the following graph a function?

Accepted Answer

Yes, because the x never repeats.

Answer

Yes, because they are individual dots.

Answer

No, because the x repeats.

Answer

No, because it is not a line.

Question 15

Which of the following is NOT a function?

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 16

From the table, is the function Linear or Nonlinear?

Accepted Answer

Nonlinear

Answer

Linear

Question 17

The table represents a function. Is it linear or non-linear?

Accepted Answer

Linear

Answer

Nonlinear

Question 18

Slope can be defined as:

Accepted Answer

All of the above

Answer

Rise/Run

Answer

Rate of Change

Answer

The steepness of a line

Question 19

Question 19.

Accepted Answer

Negative

Answer

Zero

Answer

Positive

Answer

Undefined

Question 20

Question 20.

Accepted Answer

Nonlinear

Answer

Linear

Answer

Neither

Question 21

Is the function linear or nonlinear?

Accepted Answer

Nonlinear Function

Answer

Linear Function

Question 22

Which graph is linear?

Accepted Answer

Graph D

Answer

Graph A

Answer

Graph B

Answer

Graph C

Question 23

Is the function Linear or Nonlinear?

Accepted Answer

Linear

Answer

Nonlinear

Question 24

Is the equation linear or nonlinear?

Accepted Answer

Linear

Answer

Nonlinear

Question 25

Is the function linear or nonlinear?
y = x² + 7

Accepted Answer

Nonlinear

Answer

Linear

Question 26

Which variable represents the y-intercept?

Accepted Answer

b

Answer

y

Answer

m

Answer

x

Question 27

Which variable represents the slope?

Accepted Answer

m

Answer

y

Answer

x

Answer

b

Question 28

What is the slope of the equation below?

y = 3x + 1

Accepted Answer

3

Answer

1

Answer

2

Answer

4

Question 29

What is the y-intercept of the equation below?

y = x - 4

Accepted Answer

-4

Answer

4

Answer

1

Answer

0

Question 30

Which equation has a slope of 8 and a y-intercept of 2?

Accepted Answer

y = 8x + 2

Answer

y = 2x + 8

Answer

y = 2x - 8

Answer

y = 8x - 2

Question 31

In the equation, y=2x+6, the 6 is the...

Accepted Answer

y-intercept

Answer

slope

Answer

x-axis

Answer

y-axis

Question 32

What is the y-intercept of this graph?

Accepted Answer

4

Answer

-2

Answer

2

Answer

1

Question 33

Find the slope

Accepted Answer

$$m=-\frac{3}{2}$$

Answer

$$m=\ \frac{4}{3}$$

Answer

$$m=-\frac{5}{6}$$

Answer

$$m=\frac{2}{3}$$

Question 34

Find the slope

Accepted Answer

$$m=\frac{9}{2}$$

Answer

$$m=\frac{3}{6}$$

Answer

$$m=\frac{7}{3}$$

Answer

$$m=\frac{2}{7}$$

Question 35

Find the slope

Accepted Answer

$$m=\frac{7}{8}$$

Answer

$$m=\frac{1}{5}$$

Answer

$$m=\frac{6}{2}$$

Answer

$$m=\frac{5}{4}$$

Question 36

Find the slope

Accepted Answer

$$m=-\frac{7}{4}$$

Answer

$$m=-\frac{2}{5}$$

Answer

$$m=\frac{4}{3}$$

Answer

$$m=\frac{5}{8}$$

Question 37

Find the slope

Accepted Answer

$$m=\frac{5}{9}$$

Answer

$$m=\frac{4}{5}$$

Answer

$$m=\frac{8}{3}$$

Answer

$$m=\frac{8}{1}$$

Question 38

Find the slope

Accepted Answer

$$m=\frac{9}{5}$$

Answer

$$m=\frac{1}{6}$$

Answer

$$m=\frac{10}{2}$$

Answer

$$m=\frac{4}{11}$$

Question 39

Find the slope

Accepted Answer

$$m=\frac{1}{3}$$

Answer

$$m=\frac{4}{8}$$

Answer

$$m=\frac{9}{2}$$

Answer

$$m=\frac{9}{4}$$

Question 40

Find the slope

Accepted Answer

$$m=\frac{1}{8}$$

Answer

$$m=\frac{7}{2}$$

Answer

$$m=\frac{3}{7}$$

Answer

$$m=\frac{5}{1}$$

Unit 2 Part A Test

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