direct variation

direct variation

Assessment

Flashcard

Mathematics

9th Grade

Hard

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12 questions

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1.

FLASHCARD QUESTION

Front

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?

Back

$308

2.

FLASHCARD QUESTION

Front

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

Back

26

3.

FLASHCARD QUESTION

Front

Trina's paycheck earnings varies directly as the number of hours she works. If she works 19 hours and earns $187.15, what should she earn if she worked 40 hours? Options: $394, $440, $472.80, $512.20

Back

$394

4.

FLASHCARD QUESTION

Front

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.

Back

$190.65

5.

FLASHCARD QUESTION

Front

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?

Back

50 kg water

6.

FLASHCARD QUESTION

Front

What is the constant of proportionality (in miles per hour) based on the table?

Back

45

7.

FLASHCARD QUESTION

Front

On a treasure map, the actual distance is directly related to the scaled distance. If 15 miles is represented by 3 centimeters, then how many centimeters on the treasure map are equivalent to 135 miles?

Back

27 cm

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