Question

Find m if the slope of the line passing through the point (-7,5) and (2,m) is `1/3`

Answer 1

Slope of line PQ = `("y"_2 - "y"_1)/("x"_2 - "x"_1)`

⇒ `1/3 = ("m" - 5)/(2 + 7)`

⇒ 3 = m - 5

⇒ m = 8