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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a. | –9, –6 | d. | –9, 6 | b. | 9,
6 | e. | The equation cannot be factored. It is prime. | c. | 9, –6 |
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2.
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Solve by factoring:
a. | 4 | d. | –4, 4 | b. | -4 | e. | 0, –4 | c. | 0, 4 |
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3.
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Write a quadratic equation that has integer
coefficients and has solutions 11 and 0.
a. | | d. | | b. | | e. | None of the
above | c. | |
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4.
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Solve by taking square roots:
a. | 0, 5 | d. | –5 | b. | 5 | e. | –5i,
5i | c. | –5, 5 |
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5.
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Solve by using the quadratic formula: Approximate the solution to the nearest thousandth.
a. | 1.295, –0.129 | d. | 0.129, –1.295 | b. | –0.167,
–1.000 | e. | 0.257, –2.591 | c. | –0.772,
7.772 |
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6.
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Use the discriminant to determine whether the
quadratic equation below has one real number solution, two real number solutions, or two complex
number solutions.
a. | Two complex | c. | One
real | b. | Two real |
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7.
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Solve the following equation:
a. | 144 | d. | Both A and B | b. | 145 | e. | Both B and C | c. | 143 |
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8.
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A rectangular corral is constructed in a
pasture. The length, l, of the rectangle is 8 feet more than twice the width,
w. The area of the rectangle is to be 960 square feet. What are the length and
width of the rectangle?
a. | l = 52 feet; w = 22
feet | d. | l = 48 feet; w = 20
feet | b. | l = 44 feet; w = 18
feet | e. | l = 40 feet; w = 16 feet | c. | l = 56 feet; w = 24 feet |
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9.
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The vertex of a parabola that opens up is
(–6, –5). Does the function have a maximum or a minimum value? What is the
maximum or minimum value of the function?
a. | Maximum value: –5 | d. | Minimum value: –6 | b. | Minimum value: –5 | e. | Minimum
value: 6 | c. | Maximum
value: –6 |
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10.
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A tour operator belives the profit P, in
dollars, from selling tickets is given by
Using this model, what is the maximum profit the tour operator can expect?
a. | $140 | d. | $3920
| b. | $3928 | e. | $3930
| c. | $11,760 |
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