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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?
Wiki User
∙ 10y ago
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)
Wiki User
∙ 10y ago
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