SOLUTION: Find All values of (y) such that the distance between (4,y) and (-3,9) is 21. y=____

SOLUTION: Find All values of (y) such that the distance between (4,y) and (-3,9) is 21. y=____

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Question 213319: Find All values of (y) such that the distance between (4,y) and (-3,9) is 21.
y=____
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Find All values of (y) such that the distance between (4,y) and (-3,9) is 21.
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21^2 = (4--3)^2 + (y-9)^2
441 = 49 + y^2 -18y + 81
y^2 - 18y -311 = 0
Solve using the quadratic formula.
Cheers,
Stan H.
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