Multiple Choice Identify the
choice that best completes the statement or answers the question.
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1.
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Find the greatest common factor. 48q2r2,
12q5r5, 6r3
a. | 96q7r10 | d. | 6r2 | b. | 96q5r5 | e. | 48q5r5 | c. | 6q5r5 |
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2.
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Factor: .
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3.
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Factor: .
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4.
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Factor by the method of using trial
factors. 40w2 + 49wx +
15x2
a. | 40w2 + x(49w +
15x) | d. | (8w + 5x)(5w +
3x) | b. | w(40w + 49x) +
15x2 | e. | (w + 5x)(40w +
3x) | c. | (8w +
5x)(5w + 3x) |
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5.
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54. | Factor the following expression:
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6.
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Sports. The height, h, in
feet, that an object will attain (neglecting air resistance) in t seconds is given by , where v is the initial velocity of the object in feet per second. A golf ball is
thrown onto a cement surface and rebounds straight up. The initial velocity of the rebound is 77
ft/s. How many seconds later will the golf ball return to the ground?
a. | 8.81 s | d. | 5.81
s | b. | 4.81 s | e. | 3.81
s | c. | 6.81 s |
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7.
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Sum of Natural Numbers. The formula
gives the sum, S, of the first
n natural numbers. How many consecutive natural numbers beginning with 1 will give a sum of
3?
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8.
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Geometry. The length of the base of a triangle is 2 times the height.
The area of the triangle is 16 m2. Find the base and height of the
triangle. | |
a. | base: 4 m; height: 2 m | d. | base: 8 m; height: 4 m | b. | base: 4 m; height:
12 m | e. | base: m; height:
m | c. | base: 8 m; height: 24
m |
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9.
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In the following question, ax2 +
bx + c = 0, where a > 0, is a quadratic equation
that can be solved by factoring and then using the Principle of Zero Products.
If zero is one solution of ax2 + bx + c
= 0, is c greater than, less than, or equal to 0?
a. | greater than | c. | less
than | b. | less than |
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10.
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Factor the following expression:
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