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A(1,-1), B(-4, 8) find the slope

1 Answer

4 votes

Answer:

slope m = -
(9)/(5)

Explanation:

calculate the slope m , using the slope formula

m =
(y_(2)-y_(1) )/(x_(2)-x_(1) )

let (x₁, y₁ ) = A (1, - 1 ) and (x₂, y₂ ) = B (- 4, 8 )

substitute these values into the formula for m

m =
(8-(-1))/(-4-1) =
(8+1)/(-5) =
(9)/(-5) = -
(9)/(5)

User Strauberry
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