Multiple Choice Identify the
choice that best completes the statement or answers the question.
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1.
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Solve by factoring.
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2.
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Solve by the Square Root Property, if
possible.
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3.
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Solve by the Square Root Property, if
possible.
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4.
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Solve the quadratic equation by the Square Root
Property.
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5.
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What term should be added to to make it a perfect square
trinomial?
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6.
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Solve the quadratic equation by completing the
square.
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7.
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Solve by completing the square, if
possible.
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8.
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Solve .
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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:
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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 and .
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12.
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Graph the equation .
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13.
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A radio station advertises that its broadcasts are heard over a circular region
covering 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 feet. If the diagonal path across the lot is
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
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 to visit a science center.
In order to lower the bus fare per member, the club invited nonmembers to go along. When nonmembers agreed to go on the trip, the fare per person decreased by .
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 miles of a trip at one
average speed, and the last miles at an average speed of
miles per hour less. The entire trip took 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 and write in standard form.
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19.
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Solve . Round your answers to two decimal
places.
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20.
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The function 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 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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