Rewrite the fraction in simplest form.
A. 
B. 
C. 
D. 
Answer: A
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Provide an appropriate answer.Find 
when r = -5 and s = -3 if w(x, y, z) = xz + y^2, x = 2r + 5, y = r + s, and z = r - s.
A. 
= -25
B. 
= -18
C. 
= -20
D. 
= -4
Provide an appropriate response.Factor completely: 7x4 - 63x2
A. 7(x2 - 9)(x2 + 9) B. 7x2(x - 3)2 C. 7x2(x + 3)(x - 3) D. 7x2(x + 9)(x - 9)
Match the graph to the correct inequality.
A. y ? 2x - 3 B. y ? -2x - 3 C. y ? 2x - 3 D. y ? -2x - 3
Find all of the real zeros of the function. Give exact values whenever possible. Identify each zero as rational or irrational.f(x) = x3 + 4x2 - 3x - 12
A. 4 (rational), 
(irrational), and -
(irrational)
B. -4 (rational), 3 (rational), and -3 (rational)
C. -4 (rational), 2
(irrational), and -2
(irrational)
D. -4 (rational), 
(irrational), and -
(irrational)