Multiple Choice Identify the
choice that best completes the statement or answers the question.
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1.
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Solve ![mc001-1.jpg](chapter_10_pre_test_files/mc001-1.jpg) by factoring.
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2.
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Solve ![mc002-1.jpg](chapter_10_pre_test_files/mc002-1.jpg) by the Square Root Property, if
possible.
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3.
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Solve ![mc003-1.jpg](chapter_10_pre_test_files/mc003-1.jpg) by the Square Root Property, if
possible.
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4.
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Solve the quadratic equation ![mc004-1.jpg](chapter_10_pre_test_files/mc004-1.jpg) by the Square Root
Property.
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5.
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What term should be added to ![mc005-1.jpg](chapter_10_pre_test_files/mc005-1.jpg) to make it a perfect square
trinomial?
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6.
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Solve the quadratic equation ![mc006-1.jpg](chapter_10_pre_test_files/mc006-1.jpg) by completing the
square.
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7.
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Solve ![mc007-1.jpg](chapter_10_pre_test_files/mc007-1.jpg) by completing the square, if
possible.
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8.
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Solve ![mc008-1.jpg](chapter_10_pre_test_files/mc008-1.jpg) .
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9.
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A mountain biker spends a total of 3 hours going up a 20-mile mountain trail and
coming back down. The biker's speed up the trail is 5 miles per hour lower than the speed down
the trail. What is the biker's speed coming down the trail? Round your answer to two decimal
places.
a. | 16.29 miles per hour | b. | 2.05 miles per hour | c. | 8.14 miles per
hour | d. | 35.73 miles per hour | e. | 17.87 miles per
hour |
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10.
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Graph: ![mc010-1.jpg](chapter_10_pre_test_files/mc010-1.jpg)
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11.
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Find two quadratic equations, one opening upward and one opening downward, whose
graphs have x-intercepts at ![mc011-1.jpg](chapter_10_pre_test_files/mc011-1.jpg) and ![mc011-2.jpg](chapter_10_pre_test_files/mc011-2.jpg) .
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12.
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Graph the equation ![mc012-1.jpg](chapter_10_pre_test_files/mc012-1.jpg) .
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13.
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A radio station advertises that its broadcasts are heard over a circular region
covering ![mc013-1.jpg](chapter_10_pre_test_files/mc013-1.jpg) square miles. What is the distance (in miles)
from the station to the listeners furthest from the station? Round your answer to two decimal
places.
a. | miles | b. |
miles | c. | miles | d. |
miles | e. | miles |
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14.
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A rectangular corner lot has sidewalks on two adjacent sides for a total length
of ![mc014-1.jpg](chapter_10_pre_test_files/mc014-1.jpg) feet. If the diagonal path across the lot is
![mc014-2.jpg](chapter_10_pre_test_files/mc014-2.jpg) feet, what are the length of the two sides of
the walk? Round your answers to two decimal places.
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15.
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An office contains two printers. Printer B takes 5 minutes longer than printer A
to print the company's monthly financial report. With the two printers working, it takes
![mc015-1.jpg](chapter_10_pre_test_files/mc015-1.jpg) minutes to complete the report. How long (in
minutes) would it take each printer individually to complete the report? Round your answer to two
decimal places.
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16.
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A science club chartered a bus for ![mc016-1.jpg](chapter_10_pre_test_files/mc016-1.jpg) to visit a science center.
In order to lower the bus fare per member, the club invited nonmembers to go along. When ![mc016-2.jpg](chapter_10_pre_test_files/mc016-2.jpg) nonmembers agreed to go on the trip, the fare per person decreased by ![mc016-3.jpg](chapter_10_pre_test_files/mc016-3.jpg) .
How many people are going to the science center?
a. | people | b. |
people | c. | people | d. |
people | e. | people |
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17.
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A truck traveled the first ![mc017-1.jpg](chapter_10_pre_test_files/mc017-1.jpg) miles of a trip at one
average speed, and the last ![mc017-2.jpg](chapter_10_pre_test_files/mc017-2.jpg) miles at an average speed of ![mc017-3.jpg](chapter_10_pre_test_files/mc017-3.jpg)
miles per hour less. The entire trip took ![mc017-4.jpg](chapter_10_pre_test_files/mc017-4.jpg) hours. What were the two
average speeds in miles per hour? Round your answers to two decimal places.
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18.
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Multiply ![mc018-1.jpg](chapter_10_pre_test_files/mc018-1.jpg) and write in standard form.
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19.
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Solve ![mc019-1.jpg](chapter_10_pre_test_files/mc019-1.jpg) . Round your answers to two decimal
places.
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20.
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The function ![mc020-1.jpg](chapter_10_pre_test_files/mc020-1.jpg) approximates the speed of sound (in feet per
second) at altitude h (in thousands of feet). What is the speed of sound in feet per second at
an altitude of ![mc020-2.jpg](chapter_10_pre_test_files/mc020-2.jpg) thousand feet?
a. | feet per second | b. |
feet per second | c. | feet per second | d. |
feet per second | e. | feet per
second |
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