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If: y = x2+20x+100 and x2-20x+100

Then: x2+20x+100 = x2-20x+100

So: 40x = 0 => x = 0

When x = 0 then y = 100

Therefore point of intersection: (0, 100)

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โˆ™ 2014-02-19 13:32:40
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Q: What is the point of intersection of the parabolas y equals x2 plus 20x plus 100 and y equals x2 -20x plus 100 showing work?
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