Use synthetic division to find the quotient and remainder

For this case we must build a quotient, such that when multiplied by the divisor and then change the sign, go eliminating the terms of the dividend until you reach the remainder.

It must be fulfilled that:

Dividend = Divider * Quotient + Remainder

Option D

See attached image

answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,