Simplify the exponential expression.
A. 10x
B. 25x2
C. 5x2
D. 5x8
Answer: C
Mathematics
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Use the binomial theorem to expand the expression.(x4 + 5y)4
A. x16 + 15x12y + 150x8y2 + 375x4y3 + 625y4 B. x16 + 20x12y + 150x8y2 + 500x4y3 + 625y4 C. x8 + 15x7y + 150x6y2 + 375x4y3 + 625y4 D. x8 + 20x7y +30x6y2 + 20x4y3 + 5y4
Mathematics
Use Descartes' Rule of Signs to determine the possible number of positive real zeros and the possible number of negative real zeros for the function.P(x) = 4x8 + 7x6 + 4x4 + 6x2 + 8
A. 0 positive; 4 negative B. 0 positive; 0 negative C. 4 positive; 0 negative D. 4 positive; 4 negative
Mathematics
Multiply.(-3y - 2)(-6y2 - y + 7)
A. 18y3 - 19y - 14 B. -3y2 - 19y - 14 C. 18y3 + 15y2 - 19y - 14 D. 18y3 + 9y2 - 19y - 14
Mathematics
Perform the indicated operation.(2 + 
)(2 - 
)
A. 2 - 2
B. -9
C. -11
D. 17
Mathematics