Q1:
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Simplify 3x - 4y - (4x - 7y) |
A. x - 11y B. 3y - x C. 3x - y D. -x - 3y |
Answer 1:
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Q2:
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(5x + 2y) - (2x - 5y) = |
A. 3x + 3y B. 3x - 3y C. 3x - 7y D. 3x + 7y |
Answer 2:
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Q3:
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Expand (2x + 1)(3x + 2) |
A. 5x2 + 7x + 3 B. 6x2 + 5x + 2 C. 5x2 + 7x + 2 D. 6x2 + 7x + 2 |
Answer 3:
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Q4:
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Expand (x + 3)(x - 7) |
A. x2 - 10x + 21 B. x2 - 10x - 21 C. x2 - 4x + 21 D. x2 - 4x - 21 |
Answer 4:
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Q5:
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(3x - 4y)2 = |
A. 9x2-12xy +16y2 B. 9x2 - 16y2 C. 9x2+16y2 D. 9x2-24xy +16y2 |
Answer 5:
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Q6:
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(3x + 2y)(3x - 2y) = |
A. 9x2+6xy - 4y2 B. 9x2 - 4y2 C. 9x2- 6xy -4y2 D. 9x2+ 4y2 |
Answer 6:
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Q7:
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(y - 4)(y + 4) = |
A. y2 + 16 B. y2 - 16 C. y2 + 8y + 16 D. y2 + 8y - 16 |
Answer 7:
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Q8:
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An expression of the form x2+ 2ax + a2 is best called |
A. a perfect square B. a cubic C. difference of two squares D. an expression |
Answer 8:
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Q9:
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An expression of the form x2- y2 is best called |
A.a perfect square B.difference of two squares C. a cubic D. an expression |
Answer 9:
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Q10:
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abc(abc + abc) = |
A. 2abc B. 3a2b2c2 C. 2a2b2c2 D. 2a4b4c4 |
Answer 10:
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