Find the value of k such that
?
x - 6  is a factor of  x3 - kx2 + 2kx - 24.
?

A. ?k = 6
B. ?k = 10
C. ?k = 8
D. ?k = 7
E. ?k = 9

Answer: C

Mathematics

You might also like to view...

Simplify the exponential expression. Assume that variables represent nonzero real numbers.-63

A. 18 B. -18 C. 216 D. -216

View
Mathematics

Tell whether the given rational expression is proper or improper.

A. improper B. proper

View
Mathematics

Write the quotient in the standard form.

A.  + i
B.  - i
C.  + i
D.  + i

View
Mathematics

Solve the problem.The hydrogen potential, pH, of a substance is defined by pH = -log [H+], where [H+] is measured in moles per liter. Find the pH of a sample of lake water whose [H+] is 3.05 × 10-9 moles per liter. (Round to the nearest tenth.)

A. 6.4 B. 7.3 C. 10.1 D. 8.5

View
Mathematics