Coordinate Geometry Review Sheet: 1) Find the distance between A(-7,9) and B(-6,13). 2) Find the midpoint of C(-5,7) and D(-11,0). 3) Find the slope of E(-7,9) and F(-6,3). 4) Find the slope of G(-6,7) and H(-4,7). What type of slope do you have and what type of line do these two points form? 5) What is the area of the following figure: A(-3,2), B(-3,4), C(4,4), and D(4,2)? 6) What is the area of the following figure: A(1,1), B(6,2), and C(4,-3)? 7) Given: W(-1,-1), X(1,3), Y(5,3), and Z(7,-1). a) Find M, the midpoint of WX. b) Find N, the midpoint of YZ. c) Prove MN = ½(XY + WZ). d) Prove MN is parallel to XY and YZ. 8) Given: R(0,0), S(6,0), and T(0,8). a) Find A, the midpoint of RT. b) Find B, the midpoint of RS. c) Prove AB = ½ST. d) Prove AB is parallel to ST. 9) Prove that the following is a parallelogram: A(-2,1), B(-4,-2), C(3,-2), and D(5,1). 10) Prove that the following is a rhombus: R(1,1), S(5,3), T(7,7), and U(3,5). 11) In parallelogram ABCD, the measure of <A = (2x + 50) degrees and the measure of <C = (3x + 40) degrees. What is the measure of <A? Make sure you know: 1) Formulas (distance, midpoint, slope, area formulas) 2) Properties of Quadrilaterals 3) Ways to Prove Quadrilaterals