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43 votes
What is the slope of the line through (-1.-7) and (3.9)?

User Mohd Asif Ahmed
by
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1 Answer

13 votes
13 votes

Answer:

slope = 4

Explanation:

Calculate the slope m using the slope formula

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

with (x₁, y₁ ) = (- 1, - 7 ) and (x₂, y₂ ) = (3, 9 )

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

User David Duponchel
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