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2 votes
How do you write an equation for the line through−6,−5) and (-4,-4)

1 Answer

4 votes


m = (( - 5) - ( - 4))/(( - 6) - ( - 4)) \\ m = ( - 1)/( - 2) \\ m = (1)/(2) \\ y - mx = b \\ ( - 4) - ( (1)/(2) )( - 4) = b \\ ( - 4) - ( - 2) = b \\ - 2 = b \\ y = (1)/(2) x - 2

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