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## Mathematics

# Introducing new Paper mode

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QUIZ

8th

grade

66%

accuracy

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Suja Thomas

3 years

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10 questions

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- 1. Multiple Choice30 seconds1 pt
What type of proportion does the table represent?

Direct

Inverse

I dont' know

- 2. Multiple Choice30 seconds1 pt
g is directly proportional to b

Given g=20 when b=4.

Find g when b=7

35

5

15

23

- 3. Multiple Choice30 seconds1 ptThe 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
- 4. Multiple Choice30 seconds1 ptWhat type of variation does this scenario represent?

The length of time you charge your cell phone

and the battery powerdirect variationinverse variationjoint variationnone of these - 5. Multiple Choice30 seconds1 ptWhat type of variation does this scenario represent?

The outside temperature

and the number of layers of clothes you need to wear outside to feel comfortabledirect variationinverse variationjoint variationnone of these - 6. Multiple Choice30 seconds1 ptThe number of hours to paint a house varies inversely with the number of painters working. A 2400-square foot house can be painted in 27 hours by 6 painters. How many painters would need to work in order to paint the house in 18 hours?8 painters10 painters9 painters11 painters
- 7. Multiple Choice30 seconds1 ptThe width of a rectangle varies inversely with its length. if the width is 4 when the length is 18, find the width when the length is 8.972362
- 8. Multiple Choice30 seconds1 ptThe 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 water72 kg water94 kg water150 kg water
- 9. Multiple Choice30 seconds1 pt
2.The amount of money spent at the gas station varies directly with the number of gallons purchased. When 9.5 gallons of gas were purchased the cost was $36.52. How much would 12 gallons of gas cost?

Direct Variation

Inverse Variation

- 10. Multiple Choice30 seconds1 pt
1.The number of pencils sold varies directly as the cost. If 5 pencils cost $0.45, find the cost of 7 pencils.

Direct Variation

Inverse Variation

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