Question

What is the equation in point slope form of the line that passes through the point (1 , 8) and (2 , 10)?

y-8=2(x-1)
y+8=2(x+1)
y=2x-7
2x-y=7

Answer 1

First find slope
(10-8)/(2-1) = 2/1 = 2
Point slope form: y-y1 = m(x-x1)
Answer: y-8 = 2(x-1)