Polygon abcd, shown in the figure, is dilated by a scale factor of 8 with the origin as the center of dilation, resulting in the image a'bcd.
the slope of c'd'is

Which of the following is the result of expanding

Factor the polynomial by its greatest common monomial factor.

Which statement explains how you could use coordinate geometry to prove the opposite sides of a quadrilateral are congruent? a. use the slope formula to prove the slopes of the opposite sides are the same. b. use the slope formula to prove the slopes of the opposite sides are opposite reciprocals. c. use the distance formula to prove the lengths of the opposite sides are the same. d. use the distance formula to prove the midpoints of the opposite sides are the same.