Question

Find the slope of the lines passing through th points (-9,-3)and (7,-7)

Answer 1

-¼

Explanation:

-y₁ + y₂\-x₁ + x₂ = m

`(3 - 7)/(9 + 7) = - (4)/(16) = -(1)/(4)`

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Answer 2

slope = -
`(1)/(4)`

Explanation:

Calculate the slope m using the slope formula

m = (y₂ - y₁ ) / (x₂ - x₁ )

with (x₁, y₁ ) = (- 9, - 3) and (x₂, y₂ ) = (7, - 7)

m =
`(-7+3)/(7+9)` =
`(-4)/(16)` = -
`(1)/(4)`