Write the expression using exponents.(-4x)(-4x)(-4x)(-4x)
A. -16x
B. -(4x)4
C. (-4x)4
D. -4x4
Answer: C
Mathematics
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Insert the correct symbol between the pair of numbers, either < (less than) or > (greater than).-28 _____ -24
A. < B. >
Mathematics
Solve the equation.(x + 8)(x - 1) = (x + 1)2
A. 
B. 
C. 
D. {9}
Mathematics
Find a general term an for the geometric sequence.3, 9, 27, 81, 243, ...
A. an = 3n-1 + 2 B. an = 3n C. an = 6n D. an= 3 + 6(n - 1)
Mathematics
Use Descartes's Rule of Signs to determine the possible number of positive and negative real zeros for the given function.f(x) = 7x4 - 10x3 + x2 - 3.5x + 20
A. 4 or 2 positive zeros, no negative zeros B. 4 positive zeros, no negative zeros C. 4, 2 or 0 positive zeros, 1 negative zeros D. 4, 2 or 0 positive zeros, no negative zeros
Mathematics