Free Printable Review Unit 2 & 4 Proportional Relationships & Percent

Worksheets

Review Unit 2 & 4 Proportional Relationships & Percent

Total questions: 25

Worksheet time: 47mins

Name

Class

Date

What is the constant of proportionality in the equation: y = 4x

What does the k stand for in the equation?

constant of proportionality

unit rate

independent variable

dependent variable

Is the given table a proportional relationship? If so, what is the constant?

Yes; 1/3

Yes; 3

Yes; 5

Determine the constant of proportionality for the table. Express your answer as y = kx

y = 1/2x

x = 1/2y

y = 2x

k = x

What is the constant of proportionality for the following graph?

160

Identify the constant of proportionality.

k = 25

k = 50

k = 100

k = 1/50

none (not proportional)

Which graph is non-proportional?

Proportional Equation

y = kx

Proportional

Nonproportional

Which of the equations below is proportional?

y = 6x

y = 3x + 2

y = 2x + 4

y = -2x -1

10.

Which equation shows a NON-proportional relationship of x and y?

y = 5x

y = 2.5x

y = x + 3

y = 1/2x

11.

Change 3% to a decimal

3.00

.003

.03

12.

Change 125% to a decimal

12.5

.125

1.25

125

13.

When finding a percent of a number you should change the

percent to a decimal and then ______________

divide

subtract

add

multiply

14.

Beth works at a car lot. This week she sells $23,200 in cars. She earns 4% commission for all the cars she sells. How much will she earn this week?

24,128

928

1028

92.8

15.

Corie earns 3% commission. One day her sales totaled $850. What was her commission earned for the day?

$847

$85

$$824.50

$25.50

16.

The students measured length during a science experiment, they got 12 cm. But the actual measurement was 14.25 cm. What was the percent error?

15.79%

18.75%

2.25%

18%

17.

Discount Vacations is giving a 20% discount on all vacations booked in January. A vacation to Cancun costs $2400. What will be the sale price?

$3000

$1920

$480

$12,000

18.

The Clothes Barn is having a 60% off sale on shorts. Ben paid $14 for a pair of shorts. What was the original price of the shorts?

$23.33

$22.40

$5.60

$35

19.

Griffin’s General Store is having a 30% off sale on fans. Robert paid $25 for a fan. What is the original price of the fan?

$32.50

$35.71

$17.50

$7.50

20.

A pair of Air pods cost $140. They are on sale for 20% off the original price. How much are they after the discount?

$28

$112

$114

$280

21.

The price of an office chair was $86. The tax rate was 6%. What was the total price for the chair including tax?

$5.16

$91.16

$81.84

$92.00

22.

What is the equation for the tape diagram?

$y=\frac{1}{5}x$

$y=\frac{1}{4}x$

$y=\frac{5}{4}x$

$y=5x$

23.

What is the equation that goes with the tape diagram?

$y=11x$

$y=\frac{11}{6}x$

$y=6x$

$y=\frac{6}{11}x$

24.

What is the equation with the tape diagram?

$y=\frac{1}{4}x$

$y=\frac{3}{4}x$

$y=4x$

25.

Organize these options into the right categories.

Categorize the following

$y=3x$

$y=\frac{5}{4}x$

$y=2x+4$

$f=\frac{9}{5}x\ +\ 32$

$d=r^2$

$c=3.14d$

Proportional

Non Proportional

Reset

Review Unit 2 & 4 Proportional Relationships & Percent

Total questions: 25

Worksheet time: 47mins

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