x3 + 6x - 
= 0
A. x = 0, ± 
B. x = ±
C. x = -8, 2
D. x = 
E. none of these
Answer: B
Mathematics
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Solve the proportion.
= 
A. 9 B. 4.5 C. 0.06 D. 18
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Graph the equations.f(x) = -
A. 
B. 
C. 
D. 
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Solve.-7n + 8 + 5n = -3n + 13
A. 13 B. 5 C. -13 D. -8
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Perform the indicated operation.(-3x4 + 4x6 + 7 + 9x5) - (3 + 6x5 + 9x6 - 7x4)
A. 13x6 + 15x5 - 10x4 + 4 B. -5x6 + 15x5 - 10x4+ 10 C. -5x6 + 3x5 + 4x4+ 4 D. 13x6 + 15x5 - 10x4 + 10
Mathematics