Question

Determine x so that the slope of the line through (1, 4) and (x, 2) is 2.

Answer 1

Given, the slope of the line through (1, 4) and (x, 2) is 2.

∴ `(2 -4)/(x -1)=2`

`(-2)/(x - 1) = 2`

`(-1)/(x - 1) = 1`

–1 = x – 1

x = 0