Question

Part of a line is graphed.
(2, 1) (6, -3)

Answer 1

Slope m = (−3 − 1)/(6 − 2) = −4/4 = −1.

Using point-slope with (2,1): y − 1 = −1(x − 2) ⇒ y = −x + 3.

So the line is y = −x + 3 (y-intercept 3, slope −1).