Question

(-1,7);, (8,-2) write an equation of the line that passes

Answer 1

The formula to find the slope of a line is m =
`(y_2 - y_1)/(x_2 - x_1)` where the x's and y's are your given coordinates and m is your slope. So, plug in your coordinates and solve.

m =
. I'll use (-1, 7).


`y - y_1 = m(x - x_1)` Plug in your points and slope
y - 7 = -1(x - -1) Cancel out the double negative
y - 7 = -1(x + 1) Use the Distributive Property
y - 7 = -x - 1 Add 7 to both sides
y = -x + 6