Solve the system.
A. x = -5, y = 1, z = -1, w = 0
B. x = -10, y = 0, z = -2, w = 1
C. x = 0, y = -5, z = 1, w = 5
D. x = 5, y = 3, z = -1, w = -1
Answer: A
Mathematics
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A. -71 B. 71 C. -27 D. 91
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Factor the trinomial completely.-3x3y3 - 15x2y4 + 72xy5
A. -3xy3(x - 3y)(x + 8y) B. -3xy3(x + 3y)(x - 8y) C. -3xy(x - 3y2)(x - 8y2) D. Prime
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Evaluate the exponential form. -102
A. 100 B. -100 C. 20 D. -20
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Use the Rational Zero Theorem to list all possible rational zeros for the given function.f(x) = 7x3 - x2 + 3
A. ± 
, ± 
, ± 1, ± 3, ± 7
B. ± 
, ± 
, ± 1, ± 3
C. ± 
, ± 
, ± 1, ± 7
D. ± 
, ± 
, ± 1, ± 3, ± 7
Mathematics