Question

What is the equation of the line that passes through (-1,-4) and (9,-5) ?

Answer 1

y=-1/10 x - 41/10

Explanation:

slope: y2-y1 / x2-x1 = -5-(-4) / 9-(-1) = -1/10

y= -1/10 x +b, substitute (-1,-4) to solve b

-4=-1/10 (-1) +b

b=-41/10