Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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1.
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Keesha is flying to Iceland. If the rate of exchange between kronas, the currency of
Iceland, and dollars is 1 krona = $0.016, how many kronas are worth $500? a. | 31,250
kronas | c. | 3125
kronas | b. | 8000 kronas | d. | 8 kronas | | | | |
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2.
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If
sales of 30 cattle bring in a profit of $4500 and sales of 50 cattle bring in a profit of $12,500,
and the profit model is linear, how much profit will the sale of 75 cattle bring in? a. | $10,000 | c. | $18,750 | b. | $11,250 | d. | $22,500 | | | | |
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3.
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Martin, a student at the University of Memphis, is typing a research report. It takes
him 28 minutes to type the first 2 pages. At this rate, how much additional time will it take him to
type the last 5 pages of the 7-page report? a. | 1 h 10 min | c. | 1 h 32 min | b. | 1 h 28
min | d. | 1 h 38
min | | | | |
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4.
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A
school with excessive student absences began a program to increase attendance. Before the program
began, there was an average of 180 students absent each day. In the program’s first year, there
was an average of 166 daily absences and there were 152 daily absences the second year. If this rate
of improvement continues, how many absences will there be the program’s fifth
year? a. | 134
absences | c. | 110
absences | b. | 124 absences | d. | 96 absences | | | | |
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5.
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Which
graph represents 2x + y < 4?
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6.
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Which
is the graph of  ?
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7.
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Which
graph represents x + y > –2?
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8.
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One
day in Cookeville, the temperature rose steadily for 4 hours. A storm passing through caused the
temperature to drop quickly for 1 hour and then climb for 3 hours and level off. Which graph best
models this situation?
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9.
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Simone’s checking account balance is constant for 3 days before a check she
writes halves her balance. She deposits a check 4 days later, which raises her balance higher than it
was 7 days before. The balance remains at this level for 4 more days. Which graph best represents
this situation?
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10.
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Which
graph represents  ?
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11.
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Which
is the graph of  ?
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12.
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Which
is the graph of  ?
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13.
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Which
graph represents  ?
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14.
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Grant
is paid $220 a week plus a commission of $12 on each stereo he sells. How many stereos s must
Grant sell to make at least $400 for the week? Use the inequality  to find the number of stereos.
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15.
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Bryce
rents a car for a week at the rate of $110 plus $0.15 per kilometer. How many kilometers k can
Bryce drive if he has $215 budgeted for the rental?
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16.
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A
hemlock tree that Marsha sees while on a hike in the Smokies is 200 feet tall. Marsha estimates that
this tree is at least 40 feet more than twice the height of the old maple tree in her yard. If Marsha
is correct, which inequality represents the possible heights m of the maple
tree?
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17.
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A
bakery sells white bread for $1.80 per loaf and whole wheat bread for $2.50 per loaf. For the bakery
to earn more than $900 selling the loaves, the inequality 1.8x + 2.5y
> $900 must be
true, where x is the number of white loaves sold and y is the number of whole wheat
loaves sold. Which ordered pair satisfies the inequality? a. | (250,
180) | c. | (320,
125) | b. | (496,
0) | d. | (100,
290) | | | | |
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18.
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Abel
and his sister Arabella sell produce at a farmer’s market. Abel estimates that each of his 40
bean plants will produce from 1.75 to 2.5 pounds of beans that he can sell this weekend for $1.25 per
pound. Arabella estimates that each of her 24 raspberry plants will produce between 0.75 and 1.5
pounds of raspberries that she can sell this weekend for $4 per pound. If Abel and Arabella sell all
of the beans and raspberries produced, which inequality represents the total amount of money m
that they can make this weekend from selling beans and raspberries?
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19.
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The
graph represents  . What would the graph look like if the coefficient of
x changed from  ?
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20.
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If
the equation y = –2x + 3 changes to y = –2x – 3, which
shift occurs to the line? |