Question

What is an equation of the line that passes through the points (5,7) and (-5, -1)?

Answer 1

(-1-7)/(-5-5) = -8/-10 = 4/5

y = mx + c
y = 4x/5 + c
7 = (4/5 x 5) + c
7 - 4 = c
3 = c

y = (4x/5) + 3