Quiz about Representing Proportional Relationships Through an Equation

Question 1

Identify the constant of proportionality.

Accepted Answer

k = 2

Answer

k = 2x

Answer

k = 4

Answer

none

Question 2

What does k represent in the equation

y = kx?

Accepted Answer

constant of proportionality

Answer

distribute

Answer

kangaroos

Answer

karate

Question 3

Identify the constant of proportionality

Accepted Answer

k = 5

Answer

k = 1

Answer

k =1/5

Answer

k = 2.5

Question 4

Identify the constant of proportionality

Accepted Answer

k = 30

Answer

k = 1/90

Answer

k = 1/30

Answer

k = 90

Question 5

Is this table proportional?

Accepted Answer

yes

Answer

no

Question 6

Which of the following is an equation to represent this proportional relationship?

Accepted Answer

y=3x

Answer

y=15x

Answer

x=15y

Answer

x=3y

Question 7

What does k represent in the equation y = kx?

Accepted Answer

constant of proportionality

Answer

independent variable

Answer

dependent variable

Answer

krispy kreme

Question 8

If the constant of proportionality is 7, which of the following is the correct proportional equation?

Accepted Answer

y=7x

Answer

y=7k

Answer

y=k7

Answer

y=kx

Question 9

An app developer projects that he will earn $230.00 for every 100 apps downloaded. Which of the following equations can be used to represent the proportional relationship between the number of apps, x, and the total earnings, y?

Accepted Answer

y = 2.3x

Answer

y = 100x

Answer

y = 230x

Answer

y = 23,000x

Question 10

Select all equations that represent a proportional relationship.

Accepted Answer

Option A is correct

Accepted Answer

Option B is correct

Question 11

Write a y=kx equation that models the graph of a proportion passing through the point (10, 5).

Accepted Answer

y=0.5x

Answer

y=2x

Answer

y=10x

Answer

y=5x

Question 12

Which number is the whole?

40% of what number is 15?

Accepted Answer

?

Answer

40

Answer

15

Question 13

What does the a stand for in the percent proportion?

Accepted Answer

part

Answer

percent

Answer

whole

Question 14

Use cross products to solve for the value of n. Round your answer to the nearest tenth.
2/16 = 15/n

Accepted Answer

n = 120

Answer

n = 18

Answer

n = 16

Answer

n = 100

Representing Proportional Relationships Through an Equation

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