If the points on a graph of a linear function are (-2,10 (0,4) (2,-2) and (4,8) what is the y-intercept

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup

X-10/4 when x = –18 a 7 b –2 c –7 d 2

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.