Quantitative Aptitude & Reasoning
Q. Which polynomial is a factor of x^2 - 5x + 6?
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A.
x - 2
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B.
x - 3
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C.
x + 2
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D.
x + 3
Solution
x^2 - 5x + 6 factors to (x - 2)(x - 3).
Correct Answer: A — x - 2
Q. Which polynomial is equivalent to 2x + 3x - 4?
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A.
5x - 4
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B.
5x + 4
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C.
x - 4
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D.
x + 4
Solution
Combine like terms: 2x + 3x = 5x, so the polynomial is 5x - 4.
Correct Answer: A — 5x - 4
Q. Which polynomial is equivalent to 2x^2 + 3x - 5 + 4x^2 - x?
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A.
6x^2 + 2x - 5
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B.
2x^2 + 4x - 5
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C.
6x^2 + 4x - 5
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D.
4x^2 + 2x - 5
Solution
Combine like terms: (2x^2 + 4x^2) + (3x - x) - 5 = 6x^2 + 2x - 5.
Correct Answer: A — 6x^2 + 2x - 5
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