6. If an exponential model was used to fit the data set below, which of the following would be the best prediction for the output of the model if the input was x = 207
(1) 766
(3) 1,276
3 7 11 14 17
(2) 1,164
y 83 142
(4) 1, 488
301 450 722

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.