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Which two points satisfy y = -x2 + 2x + 4 and x + y = 4?

 Aug 2, 2020
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-x^2 + 2x+4     use quadratic formula to find    x = 1+- sqrt5   

                                   Use these values of 'x' in the second equation to find the corresponding 'y' points

 
 Aug 2, 2020

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