Figures in the Coordinate Plane (Sec 9-1) — Unit test Answers

Complete the proof to show that ABCD is a parallelogram. The slope of is The slope of is The slope of is The slope of is

On a coordinate plane, rectangle E F G H is shown. Point E is at (1, negative 1), point F is at (negative 4, 1), point G is at (negative 3, 4), and point H is at (2, 2).

Figure CDEF is a parallelogram.

Figure ABCD is a parallelogram.

Parallelogram L O N M is shown. Diagonals are drawn from point L to point N and from point O to point M and intersect at point Q. The length of line segment O Q is (2 x + 3) centimeters and the length of lines segment Q M is (3 x minus 4) centimeters.