Question

A water truck is filling a swimming pool. The equation that represents this

Answer 1

Answer:

  a. false

  b. true

  c. true

  d. true

  e. false

Step-by-step explanation:

a. False. The "unit rate" is 19.75 gallons per minute. The "unit" of a "unit rate" is in the denominator. Here, the denominator of the rate is 1 minute.

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b. True. A graph of a proportional relationship is a straight line through the origin.

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c. True. In 5 minutes, the water in the pool will increase by 98.75 gallons, about 100 gallons.

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d. True. The ratio of a y-value to an x-value will always be 19.75. That is the meaning of this proportional relationship.

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e. False. The points (8, 158) or (7.5949, 150) will be on the graph. The point (8, 150) will not.