Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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For  ,  .
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2.
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Suppose  and  . Find the
value of  .
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Find the slope of the line through the pair of points.
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3.
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4.
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(6, 12) and (–6, –2)
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5.
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Find the point-slope form of the equation of the line passing through the points
(–6, –4) and (2, –5).
a. | y + 4 =  (x – 2) | c. | y + 5 =  (x + 6) | b. | y + 4 =  (x +
6) | d. | y + 4 =  (x + 6) |
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6.
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A 3-mi cab ride costs $3.00. A 6-mi cab ride costs $4.80. Find a linear equation
that models cost c as a function of distance d.
a. | c = 0.80d + 1.20 | c. | d = 0.60c +
1.80 | b. | c = 1.00d + 1.80 | d. | c = 0.60d +
1.20 |
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7.
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A cannery processed 605 pounds of strawberries in 3.5 hours. The cannery
processed 2100 pounds in 10 hours. | a. | Write a linear equation to model the weight of strawberries S processed
in T hours. | | b. | How many pounds of strawberries can be processed in 12 hours? | | |
a. | S = 230T – 200; 2560 lb | c. | T = 230S – 200;
2560 lb | b. | S = 173T – 200; 1874 lb | d. | S = 230T + 200; 2960
lb |
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8.
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A candle is 10 in. tall after burning for 2 hours. After 3 hours, it is  in. tall. | a. | Write a linear equation to model the height h of the candle after burning t
hours. | | b. | Predict how tall the candle will be after burning 6 hours. | | |
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