SOLUTION: C divides AB into a ratio of 1:3. If A=(-4,5) and C=(-3, 5.5), find B.

Algebra ->  Formulas -> SOLUTION: C divides AB into a ratio of 1:3. If A=(-4,5) and C=(-3, 5.5), find B.       Log On


   

Question 963574: C divides AB into a ratio of 1:3. If A=(-4,5) and C=(-3, 5.5), find B.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
3%2AAC=CB
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AC%5Bx%5D=-3-%28-4%29=1
CB%5Bx%5D=3%2A1=3
B%5Bx%5D=C%5Bx%5D%2B3
B%5Bx%5D=0
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AC%5By%5D=5.5-5=0.5
CB%5By%5D=3%280.5%29=1.5
B%5By%5D=C%5By%5D%2B1.5
B%5By%5D=5.5%2B1.5
B%5By%5D=7
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B: (0,7)