Solve.10x - 168 = -21x + 3x
A. 12
B. -4
C. -6
D. 6
Answer: D
Mathematics
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Using synthetic division, determine whether the numbers are zeros of the polynomial.5, -4; f(x) = x3 - 8x2 - 13x + 140
A. Yes; no B. No; no C. Yes; yes D. No; yes
Mathematics
Provide an appropriate response.Consider the quartic function f(x) = ax4 + bx3 + cx2 + dx + e, a ? 0. Must this function have at least one critical point? Give reasons for your answer. (Hint: Must 
for some x?) How many local extreme values can f have?
What will be an ideal response?
Mathematics
Perform the indicated operation.Let A = 
and B = 
. Find A + B.
A. 
B. 
C. 
D. 
Mathematics
Find all the complex roots. Write the answer in the indicated form.The complex cube roots of 8 (rectangular form)
A. 2, 1 + 
i, -1 - 
i
B. 2, 1 + 
i, 1 - 
i
C. 2, -1 - 
i, 1 - 
i
D. 2, -1 + 
i, -1 - 
i
Mathematics