Direct Variation

Direct Variation

9th Grade

15 Qs

quiz-placeholder

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Direct Variation

Direct Variation

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Hard

CCSS
HSF-LE.A.1B

Standards-aligned

Created by

Anthony Clark

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A dishwasher uses 65 gallons of water to wash 5 loads of dishes. What is the constant of variation?

k = 13

k = 65

k = 5

k = 1/13

Tags

CCSS.HSF-LE.A.1B

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If y vaires directly with x and y= 12 when x= 15. What is the value of x when y= 16?

12.8

20

11.25

19

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

if y is directly proportional to x, y is 10 when x is 3. What is the value of y when x is 5?

16 2/3

1.5

6

12

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Is this proportional?
y=2x

yes

no

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The amount of money earned on a job is directly proportional to the number of hours worked.  If $70.00 is earned in 5 hours, how much money is earned in 22 hours of work?

$2

$308

$1.57

$265

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A person’s weekly pay is directly proportional to the number of hours worked. Shawn’s pay is $123.00 for 20 hours of work. Find the amount of pay for 31 hours of work. 

$3813

$620

$190.65

$4.96

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The number of kilograms of water in a person’s body varies directly as the person’s mass.  A person with a mass of 90 kg contains 60 kg of water.  How many kilograms of water are in a person whose mass is 75 kg?

50 kg water

72 kg water

94 kg water

150 kg water

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