Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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Write the number in scientific notation.
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1.
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0.0000000079
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2.
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The data in the table are linear. Use the table to find the slope.
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3.
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Identify the slope and y-intercept of y =  x .
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4.
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Which hill described in the table is the steepest? Explain.
Street | Horizontal
Distance
(ft) | Vertical Rise
of
Street (ft) | | Dixie Hill | 80 | 40 | | Bell Hill | 80 | 20 | | Liberty Hill | 80 | 60 | | | |
a. | Liberty Hill; it rises  foot for every 1 foot of horizontal
travel. | b. | Liberty Hill; it rises 4 feet for every 3 feet of horizontal
travel. | c. | Dixie Hill; it rises 2 feet for every 1 foot of horizontal
travel. | d. | Bell Hill; it rises one foot for every 4 feet of horizontal
travel. |
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Write and solve an inequality.
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5.
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You are planning a skating party at a rink that charges a basic fee of $33.00,
and $5.50 per person for catered parties. You don’t want to spend more than $170.50. How many
friends can you invite?
a. |  ; 37 or more friends | b. |  ; 5
or fewer friends | c. |  ; 25 or fewer friends | d. |  ;
25 or more friends |
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6.
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A construction crew is repairing a 225-ft-long section of a highway. The road is
12 ft wide, and the concrete must be poured to the depth of 6 in. How many cubic feet of concrete
will be required for the repair?
a. | 2,700 ft | b. | 16,200 ft | c. | 1,350 ft | d. | 1,620 ft |
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Graph the linear equation.
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7.
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y =  
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Identify the number as rational or irrational.
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8.
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Write the expression using a single exponent.
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9.
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10.
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Estimate the value of  to the nearest
integer.
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11.
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Match each point with one of the following rational numbers: –0.  ,  ,  , 0.925. 
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Simplify the expression.
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12.
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Evaluate the expression for the given value.
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13.
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 for n = –4
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Find the product.
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14.
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15.
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A scale model of a car is 14 in. long. The actual car is 21 ft long. What is the
scale of the model?
a. | 1 in. : 18 ft | c. | 1 in. : 1.5 in. | b. | 1 in. : 18 in. | d. | 1 in. : 24 in. |
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