Factor.r2 + 12r + 36
A. (r + 12)(r - 12)
B. (r + 6)(r - 6)
C. (r - 6)2
D. (r + 6)2
Answer: D
Mathematics
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Graph the function.f(x) = x
A.
B.
C.
D.
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Graph the integrand and use geometry to evaluate the integral.
A. 40 B. 10 C. 20 D. 80
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Change the decimal in standard form. Fifteen and five hundred thirty-one thousandths
A. 15.531 B. 15,531 C. 15.0531 D. 0.15531
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Find the vertex, focus, and directrix of the parabola.y2 = 32x
A. Vertex: V(0, 0); focus: F(8, 0); directrix: x = 8 B. Vertex: V(0, 0); focus: F(8, 8); directrix: x = 8 C. Vertex: V(0, 0); focus: F(0, 8); directrix: y = -8 D. Vertex: V(0, 0); focus: F(8, 0); directrix: x = -8
Mathematics