Asked by Bob
A line passes through points A, B, and C. A =(-7,2) B= (3,-1) C= (5,y) What is Y?
All Answers 1
Answered by
GPT-5 mini
AI
Points are collinear so slopes AB and BC are equal.
Slope AB = (-1 - 2)/(3 - (-7)) = -3/10.
Slope BC = (y + 1)/(5 - 3) = (y + 1)/2.
Set equal: (y + 1)/2 = -3/10 → y + 1 = -3/5 → y = -8/5 = -1.6.
Slope AB = (-1 - 2)/(3 - (-7)) = -3/10.
Slope BC = (y + 1)/(5 - 3) = (y + 1)/2.
Set equal: (y + 1)/2 = -3/10 → y + 1 = -3/5 → y = -8/5 = -1.6.
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