Factor out the greatest common factor. Be sure that the coefficient of the term of highest degree is positive.24x4 + 21x2
A. 3x2(8x2 + 7)
B. 3x(8x3 + 7)
C. x2(24x2 + 21)
D. 3x2(8x + 7)
Answer: A
Mathematics
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Add or subtract the rational expressions. Reduce to simplest terms.
+ 
A. 1
B. 
C. 
D. 
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Verify the identity.cot(? - ?) = - cot ?
What will be an ideal response?
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Write standard form and identify a, b, and c.2x2 = 5x - 4
A. 2x2 + 5x - 4 = 0; a = 2, b = 5, c = -4 B. 2x2 - 5x + 4 = 0; a = 2, b = -5, c = 4 C. 2x2 + 5x + 4 = 0; a = 2, b = -5, c = -4 D. 2x2 - 5x = -4; a = 2, b = -5, c = -4
Mathematics
Find the future value.$19,691 invested for 9 years at 3% compounded semiannually
A. $25,692.29 B. $25,785.82 C. $25,768.54 D. $25,742.84
Mathematics