Question

Select the correct answer.

What is the slope of the line that goes through the points (-4,1) and (4,-5)?
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Alco

Answer 1

slope = -
`(3)/(4)`

Explanation:

calculate the slope m using the slope formula

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

let (x₁, y₁ ) = (- 4, 1 ) and (x₂, y₂ ) = (4, - 5 )

substitute these values into the formula for m

m =
`(-5-1)/(4-(-4))` =
`(-6)/(4+4)` =
`(-6)/(8)` = -
`(3)/(4)`