Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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Simplify the radical expression.
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1.
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2.
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3.
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4.
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5.
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6.
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7.
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Simplify the radical expression by rationalizing the denominator.
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8.
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9.
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Identify the vertex of the graph. Tell whether it is a minimum or
maximum.  a. | (0, –2); minimum | c. | (–2, 0); minimum | b. | (0, –2);
maximum | d. | (–2, 0);
maximum |
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10.
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The quadratic equation  , where a > 0,
________ has at least one real number solution. a. | always | b. | sometimes | c. | never |
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Solve the equation using square roots.
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11.
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a. |  | c. |  | b. | –4 | d. | no
real number solutions |
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Solve the equation using the zero-product property.
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12.
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a. | x = 2 or x =  | c. | x = –2
or x =  | b. | x = –2
or x = 7 | d. | x =
2 or x =  |
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13.
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a. | n =  or n =  | c. | n =  or n =  | b. | n = 0 or n =  | d. | n = 0 or n =  |
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Solve the equation by factoring.
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14.
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a. | z = –6 or z = –5 | c. | z = 6 or z =
–5 | b. | z = 6 or z = 5 | d. | z = –6 or z =
5 |
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Use the quadratic formula to solve the equation. If necessary, round to the
nearest hundredth.
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15.
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a. | 18, 28 | b. | –9, –14 | c. | 9, 14 | d. | –18,
28 |
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16.
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A student visiting the Sears Tower Skydeck is 1353 feet above the ground. Find
the distance the student can see to the horizon. Use the formula  to
approximate the distance d in miles to the horizon when h is the height of the
viewer’s eyes above the ground in feet. Round to the nearest mile. a. | 45 miles | b. | 601 miles | c. | 36 miles | d. | 1010
miles |
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