Question

What is the slope of the line that passes through (10,-1) and (-4,7)

Answer 1

From two given points (x₁ , y₁) & (x₂ , y₂) the slope of line "m"

m =
`(y2-y1)/(x2-x1) = (y1-y2)/(x2-x1)`

m =
`(7-(-1))/(-4-10) = (8)/(-14)`

m = -4/7

Also, you can try 2nd formula answer will be the same.