Factor.3x2 - 3x - 18
A. 3x2 - 3x - 18
B. 3(x + 2)(x - 3)
C. (3x + 6)(x - 3)
D. 3(x - 2)(x + 3)
Answer: B
Mathematics
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A. downward B. upward
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Estimate the sum or difference by first rounding each number to the nearest ten.532.432 - 224.03
A. 290 B. 320 C. 310 D. 300
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Solve the equation exactly in the complex number system.x3 + 4x2 - 2x - 8 = 0
A. x = -
, x = ±2
B. x = -4, x = ±2
C. x = -
, x = ±
D. x = -4, x = ±
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Simplify the expression. Write your answer without negative exponents. Whenever an exponent is negative or zero, assume that the base is not zero.(-2x3y)(-7x6y2)
A. -9x9y2 B. 14x9y3 C. -14x9y2 D. 14x18y2
Mathematics