Question

Find the slope and write an equation of the line which passes through the points.

a
(5,6) and (3,4)
b
(−3, 9) and (−3, −5)

Answer 1

a. y=x+1

b. x=-3

Explanation:

a. slope= (6-4)/(5-3)=1

substitute (5,6) to y=1x+b; b=1

therefore, y=x+1

b. x=-3