Question

What is the slope-intercept form of the function that contains the points (3, 1) and (2, 9)?

y = x +

Answer 1

`y=mx+b\\\\ m=(y_2-y_1)/(x_2-x_1)\\ m=(9-1)/(2-3)\\ m=(8)/(-1)\\ m=-8\\\\ 1=-8\cdot3+b\\ 1=-24+b\\ b=25\\\\ \boxed{y=-8x+25}`