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uri
 4 years ago
Find the point(s) of intersection of the parabola with equation y = x2  5x + 4 and the line with equation y = 2x  2
uri
 4 years ago
Find the point(s) of intersection of the parabola with equation y = x2  5x + 4 and the line with equation y = 2x  2

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mathteacher1729
 4 years ago
Best ResponseYou've already chosen the best response.3Note how both of these are equal to "y" y = x^2  5x + 4 y = 2x  2 or x^2  5x + 4 = y = 2x  2 now just "take out the middle man" (the y) and solve x^2  5x + 4 = 2x  2 Can you do this?

mathteacher1729
 4 years ago
Best ResponseYou've already chosen the best response.3First step is to move all the variables to one side of the equal sign.

mathteacher1729
 4 years ago
Best ResponseYou've already chosen the best response.3x^2  5x + 4 = 2x  2 add 2 to both sides x^2  5x + 6 = 2x subtract 2x from both sides x^2  7x + 6 = 0 See if you can factor the left side (if not, use quadratic formula)
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