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Direct and Inverse Variation

Authored by Ryan Burns

Mathematics

10th Grade

CCSS covered

Used 2+ times

Direct and Inverse Variation
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21 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 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. What is the constant of variation?

k = 123
k = 20
k = 6.15
k = 0.16

Tags

CCSS.HSF-LE.A.1B

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

In a direct variation, y = 39 when x = 3. 
Find the value of y when x = 2.

26
3
58.5
2

Tags

CCSS.HSA.CED.A.1

CCSS.HSF.BF.A.1

CCSS.HSF.LE.A.2

CCSS.HSA.REI.B.3

CCSS.HSF.LE.A.1

3.

MULTIPLE CHOICE QUESTION

15 mins • 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

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.SSE.A.1

CCSS.HSF.BF.A.1

CCSS.HSF.LE.A.2

CCSS.HSA.REI.B.3

CCSS.HSF.LE.A.1

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What type of variation does this scenario represent?
The length of time you charge your cell phone
and the battery power 

direct variation
inverse variation
joint variation
none of these

Tags

CCSS.HSF.BF.A.1

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What type of variation does this scenario represent?
The outside temperature
and the number of layers of clothes you need to wear outside to feel comfortable 

direct variation
inverse variation
joint variation
none of these

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What type of variation does this scenario represent?
You and some friends decide to buy 2 pizzas and split the cost evenly.
The number of friends who are sharing the cost of the pizzas
and the amount of money you pay for your share.

direct variation
inverse variation
joint variation
none of these

Tags

CCSS.HSA.SSE.A.1

CCSS.HSA.CED.A.2

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Suppose y varies jointly as x & z. 
If y = -180 when z = 15
and x = -3,
then find y when x = 7 and z = -5.

-140
140
-4
4

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