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Unit 4 Test Review

Total questions: 40

Worksheet time: 1hrs 1mins

Name
Class
Date
1.

Find the slope of the line through (6,1) and (8,7).

a)

13\frac{1}{3}  

b)

3

c)

−13-\frac{1}{3}  

d)

-3

2.

Select all the true statements about the equation. y=−35x+8y=-\frac{3}{5}x+8

a)

The slope of the line is negative.

b)

The slope of the line is 8.

c)

The y-intercept of the line is 8.

d)

The slope of the line is −35-\frac{3}{5}

e)

The y-intercept of the line is −35-\frac{3}{5}

3.

Identify the type of slope.

a)

Positive

b)

Negative

c)

Zero

d)

Undefined

4.

Calculate the slope of the line.

a)

34\frac{3}{4}  

b)

43\frac{4}{3}  

c)

−43-\frac{4}{3}  

d)

2

5.

Calculate the slope of the line.

a)

-6

b)

1

c)

-1

d)

6

6.

Calculate the slope from the table.

a)

−12-\frac{1}{2}  

b)

-2

c)

2

d)

12\frac{1}{2}  

7.

Calculate the slope from the table.

a)

4

b)

-4

c)

−14-\frac{1}{4}  

d)

14\frac{1}{4}  

8.

A car can drive 360 miles in 3 hours. How many miles can the car drive in 1 hour?

a)

360

b)

240

c)

120

d)

12

9.

A dolphin can swim 70 miles in 2 hours. A manatee can swim 57 miles in 3 hours. Which animal can swim at a faster rate? How much faster can that animal swim?

a)

Dolphin; 16 miles per hour faster

b)

Manatee; 16 miles per hour faster

c)

Dolphin; 13 miles per hour faster

d)

Manatee; 13 miles per hour faster

10.

Wesley and Jane both earn money mowing lawns in the summer, and wanted to keep track of their earnings. Wesley tracked his earnings with a graph, while Jane tracked her earnings in a table. Who was earning money at a faster rate? How much more per lawn does that person earn?

a)

Wesley; $8 more per lawn

b)

Jane; $8 more per lawn

c)

Wesley; $30 more per lawn

d)

Jane; $30 more per lawn

11.

The origin is located where in the coordinate plane?

a)

(0, 0)

b)

(10,10)

c)

(100, 100)

d)

(50, 50)

12.
Does the table represent a proportional relationship?
a)
Yes.
b)
No.
13.
In the equation y = 14x, what is the constant of proportionality?
a)
y
b)
x
c)
14
d)
y=14
14.
Write an equation for this relationship.
a)
y=1/5x
b)
y=1/2x
c)
y=2x
d)
y=5x
15.
What is the constant of proportionality?
a)
$3
b)
$4
c)
$2
d)
$9
16.
Is this graph proportional?
a)
Yes
b)
No
17.
What does k represent in the equation y = kx?
a)
constant for preparation
b)
constant of proportionality
c)
kangaroos
d)
krispy kreme
18.
How do you find k? 
a)
x/y
b)
y/x
c)
y=kx
d)
x ⋅ y
19.
Find the unit rate of 624 calories in 3 servings.
a)
1,872 calories per serving
b)
208 calories per serving
c)
624 calories per serving
d)
621 calories per serving
20.
Does this equation represent a proportional relationship?
a)
Yes
b)
No
21.
Which graph is proportional?
a)
A
b)
B
c)
C and D
d)
All of the graphs are proportional
22.
Which graph is non-proportional?
a)
A
b)
B
c)
C
d)
D
23.
What makes a graph proportional?
a)
Straight Line
b)
The line goes through (0,0)
c)
Curvy line
d)
Straight line and passes through (0,0)
24.

What is the constant rate of change?

a)

Not here.

b)

$80 per month.

c)

$82 per month.

d)

$41 per month.

25.

Which of the following is NOT a function?

a)
b)
c)
d)
26.

Which of the follow is a function?

a)
b)
c)
d)
27.
Is this mapping a function or not a function? 
a)
Function
b)
Not a Function 
28.
Is the relation a function? 
{(4,5), (4,-7), (4,2), (4,0), (4,9)}
a)
Yes
b)
No
29.
Is this table a function or not a function? 
a)
Function
b)
Not a Function
30.
Which set of values is a function?
a)
(9,5) (10,5) (9,-5) (10,-5)
b)
(3,4) (4,-3) (7,4) (3, 8)
c)
(6,-5) (7, -3) (8, -1) (9, 1)
d)
(2, -2) (5, 9) (5, -7) (1, 4)
31.
a)
Function
b)
Not a Function
32.

A relation where every input in matches with exactly one output is called what?

a)

Relation

b)

Linear

c)

Exponential

d)

Function

33.
Is the relation a function? Why.
a)
Yes, because the x-value 11 has two y-values pair with it.
b)
Yes, because each x-value has only one y-value paired with it.
c)
No, because the x-value 11 has two y-values pair with it.
d)
No, because each x-value has only one y-value paired with it.
34.

Is this function represented by the graph Linear or Nonlinear

a)

linear

b)

nonlinear

35.

Is the function represented by the table linear or nonlinear?

a)

Linear

b)

Nonlinear

36.

Which equation represents y as a linear function of x?

a)

y=8x

b)

x=5

c)

y=4x2

d)

y=x3

37.

Which graph is linear?

a)

A

b)

B

c)

C

d)

D

38.

Is the function y=8x2y=\frac{8}{x^2}  linear or nonlinear?

a)

Linear

b)

Nonlinear

39.

Find the unit rate - 150 miles in 6 gallons

a)

20 miles per gallon

b)

25 miles per gallon

c)

22 miles per gallon

40.

Simplify the unit rate 5/8 of a pound in 2/3 of an hour.

a)

7/16 pound per hour

b)

3/4 pound per hour

c)

15/16 pound per hour

d)

10/16 pound per hour

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