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Line l has slope −4/5, and contains points (a,−6),(−8,a). Determine the value of a. SHOW YOUR WORK

1 Answer

5 votes

Answer:

a = 2

Explanation:


(a - ( - 6))/( - 8 - a) = - (4)/(5)


(a + 6)/(a + 8) = (4)/(5)


4(a + 8) = 5(a + 6)


4a + 32 = 5a + 30


a = 2

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