Factor.x2 + 16x + 64
A. (x - 8)2
B. (x - 8)(x + 8)
C. (x + 8)2
D. Not possible
Answer: C
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Use the formula for the general term (the nth term) of an arithmetic sequence to find the indicated term of the sequence with the given first term, a1, and common difference, d.Find a21 when a1 = 5, d = 1.
A. - 15 B. 25 C. - 16 D. 26
Write the negative of the statement.?x [b(x) ? ~t(x)]
A. ?x [~b(x) ? t(x)] B. ?x [b(x) ? t(x)] C. ?x [b(x) ? t(x)] D. ?x [b(x) ? t(x)]
Answer the question.The points (-1, 6), (2, 6), (4, -2), and (7, 1) are the vertices of a quadrilateral. Is the quadrilateral a rectangle?
A. Yes B. No
Factor the polynomial completely. If the polynomial cannot be factored, say it is prime.4y3 - 4y2 - 80y
A. 4y(y + 4)(y - 5) B. (y - 4)(4y2 + 20) C. 4y(y - 4)(y + 5) D. (4y2 + 16y)(y - 5)