. If a cube is divided into two equal parts by a plane parallel to a face of the cube, which of the following best describes the
1 answer:
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Answer:
Step-by-step explanation:
Synthetic division is a useful tool for problems of this sort. (see below)
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Another way to work this one is to make use of the remainder theorem. The remainder from division by x+2 will be the value of the function at x=-2 (the value of x that makes the divisor be zero).
(-2)³ -7 = -8 -7 = -15
Only one answer choice shows a remainder of -15, and all agree on the quotient.
