SOLUTION: Find the distance between the points of intersection of the graphs of y = 2x^2 – 4x+ 1 and 2x - y = - 21.
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Question 1073212: Find the distance between the points of intersection of the graphs of y = 2x^2 – 4x+ 1 and 2x - y = - 21.
Answer by josgarithmetic(39625) (Show Source): You can put this solution on YOUR website!
*
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discrim,
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Corresponding y values:
If x=-2, then y=17.
Point (-2,17).
If x=5, then y=31.
Point (5,31).
Distance between the intersection points:
-
Better if you recognized the * quadratic equation is factorable.
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