TEKS.MATH.7.4C

REVIEW QUESTION
Which best describes the graph represented in this table?

•  proportional
• non-proportional

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TEKS.MATH.7.4C

Is this graph proportional?

• Yes
• No

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TEKS.MATH.7.4C

Is this table proportional?

• Yes
• No

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TEKS.MATH.7.4C

The constant of proportionality in the equation y = ½x is _______. 

• x
• y
• 1/2
• 2

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TEKS.MATH.7.4C

Is this table proportional?

• Yes
• No

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TEKS.MATH.7.4C

Four big water bottles can hold 8 gallons of water.  How much water can 3 big water bottles hold?

• 6 gallons
• 4 gallons
• 12 gallons
• 2 gallons

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TEKS.MATH.7.4C

The cost, c, of potato salad by its weight in pounds, p, at a deli is given in the table above.  Which equation best models this data.

• c = .29p
• c = 3.5p
• p = .29c
• p = 3.5c

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TEKS.MATH.7.4C

A cake recipe calls for 1.5 cups of milk and 3 cups of flour. Seth made a mistake and used 5 cups of flour. How many cups of milk should he use to keep the proportions correct?

• 2.5 cups milk
• 1.75 cups milk
• 2 cups flour
• 2.25 cups milk

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TEKS.MATH.7.4C

Is this graph proportional?

• Yes
• No

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TEKS.MATH.7.4C

How do you find the constant of proportionality for a table?

• Look for the k value in front of the x

• Use the equation k = x/y

• Use the equation k = y/x

• Find the number you multiply x by to get y

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TEKS.MATH.7.4C