Question

Find the equation of the line passing through the given points, (1,5) and (2, 7). Which

Answer 1

Slope formula (y2-y1)/(x2-x1)

(7-5)/(2-1) slope is 2

then plug in a coordinate point into the equation

y=2x+b

7=2(2)+b

b=3

therefore the equation is

y=2x+3