M2.T1 Practice Set Direct Variation

• 256

• 32

• 16

• 8

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TEKS.MATH.A1.2(D)

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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TEKS.MATH.A1.2(D)

What equation format is used for all proportional functions?

• y = mx

• y = x + b

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TEKS.MATH.A1.2(D)

The value of y is directly proportional to the value of x.

When x = 5, the value of y is 20. What is the value of y when x = 15?

• 60

• 45

• 75

• 30

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TEKS.MATH.A1.2(D)

The speed of a car is directly proportional to the time taken to travel a fixed distance. If the car travels at 60 km/h and takes 2 hours, how long will it take at 90 km/h?

• 1.5 hours

• 2 hours

• 1 hour

• 3 hours

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TEKS.MATH.A1.2(D)

The cost of apples is directly proportional to the weight. If 2 kg of apples cost $10, what is the cost of 5 kg of apples?

• $20

• $25

• $15

• $30

Tags

TEKS.MATH.A1.2(D)

The cost of apples is directly proportional to the weight. If 2 kg of apples cost $10, what is the cost of 5 kg of apples?

• $20

• $25

• $15

• $30

Tags

CCSS.6.RP.A.3C

The cost of apples is directly proportional to the weight.

If 2 kg of apples cost $10, what is the cost of 5 kg of apples?

• $20

• $25

• $15

• $30

Tags

TEKS.MATH.A1.2(D)

The total distance a car travels is directly proportional to the time

it takes to travel that distance.

The car travels a total distance of 180 miles in 3 hours.

What is the time in hours that the car travels when the total distance is 270 miles?

• 3 hours
• 5 hours
• 6 hours
• 4.5 hours

Tags

TEKS.MATH.A1.2(D)

The value of y varies directly with x. If x = 5, then y = 30.

What is the value of x when y = 90?

• 15
• 25
• 20
• 10

Tags

TEKS.MATH.A1.2(D)