Directly Proportional

Directly Proportional

7th Grade

22 Qs

quiz-placeholder

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Directly Proportional

Directly Proportional

Assessment

Quiz

Mathematics

7th Grade

Practice Problem

Hard

CCSS
6.EE.C.9, 7.RP.A.2D, 8.EE.B.5

+7

Standards-aligned

Created by

Barbara White

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22 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is the value of k in the following equation? y = 2/7 x

4

-4

2/7

7

Tags

CCSS.6.EE.C.9

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

For an equation to be directly proportional, it must .......

pass thru two points

pass thru the origin

be positive

not have a fraction

Tags

CCSS.7.RP.A.2D

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Which equation is not an example of direct proportion?

y = x

y = 3x

y = - 6x

y = 2/3 x + 5

Tags

CCSS.7.RP.A.2D

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What means the same thing as direction proportion

x = y

direct variation

y = k + x

scale up proportion

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Y varies directly as x. If y = 39 when x = 52, what is the best answer for k?

k = 52

k = 4/3

k = 3/4

k = 39/52

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

If x = 9 when y = 30, and x = 27 when y = 90, does y vary directly with x? If so, what is k equal to

Yes, k = 10/3

no

Yes, k = 3/1

Yes, k = 9

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is the direct proportion equation for the following information. x = 12, y = 16

16 = k(12)

y = kx

y = 4/3 x

k = 16/12

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