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1. |
Write a rule for the relationship between the number of fingers on one hand and the number of ears in a class full of students. Use f to represent the number of fingers and e to represent the number of ears. |
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A. |
e = – f |
B. |
e = f ÷  |
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C. |
e = f |
D. |
e = f |
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Hint |
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2. |
At the annual Fall Festival, Jamal wants to rent a canoe for a trip down the Kaskaskia River. A boat shop in town rents canoes for $10 plus $3 per hour. Write a rule for calculating the cost for renting the canoe. Use h to represent the number of hours the canoe is in use and c to represent the cost. |
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A. |
c = h · 10 – 3 |
B. |
c = h · 10 + 3 |
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C. |
c = h · 3 – 10 |
D. |
c = h · 3 + 10 |
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Hint |
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3. |
In a basketball game, the number of points scored for a team consists of two-point field goals, three-point field goals, and (one-point) free throws. If x represents two-point field goals, y represents three-point field goals, z represents free throws, and p represents the total number of points, write a rule for calculating the total points scored in the game. |
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A. |
p = x + 2y + 3z |
B. |
p = 2x – 3y – z |
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C. |
p = 2x + 3y – z |
D. |
p = 2x + 3y + z |
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Hint |
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4. |
Luis is l inches tall. Taylor is 10 inches shorter than Luis. Isabel is as tall as Luis. Alexa is 6 inches taller than Isabel. Using l, t, i, and a for the heights of Luis, Taylor, Isabel, and Alexa respectively, which rule does not describe one of the situations above? |
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A. |
a = 6 + i |
B. |
i = l |
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C. |
l = 6a + t |
D. |
t = l – 10 |
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Hint |
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5. |
Describe a situation that can be represented by the rule c = g – 8, where c represents the score Chin received on his Chapter 7 test and g represents the score Georganne received on her Chapter 7 test. |
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A. |
Georganne scored 8 points higher than Chin. |
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B. |
Chin scored 8 times as many points as Georganne. |
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C. |
Chin scored 8 points higher than Georganne. |
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D. |
Georganne scored 8 times as many points as Chin. |
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Hint |
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