Answer:
Y=3x - 8
Step-by-step explanation:
Slope-intercept is Y=mx +b
Solve for m using the formula (y₂ - y₁) / (x₂ - x₁)
so (7-1) / (5-3)
Solve inside paratheses to get 6/2. Simplify to 3
Solve for b by plugging in our first points (3,1)
1 = 3(3) + b
1 = 9 + b
-8 = b
