Question

URGENT PLZ HELP!

Find the value of x so that the points
(x, 2) and (-5, 8) lie on a line with a slope
of -1.

Answer 1

9514 1404 393

Answer:

x = 1

Explanation:

The slope formula can be useful here.

m = (y2 -y1)/(x2 -x1)

-1 = (8 -2)/(-5 -x)

5 + x = 6 . . . . . . . . multiply by (-5-x)

x = 1 . . . . . . . . subtract 5