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Name: justin bensel Date: School: fhs Facilitator: duffy 3.03 Solving Quadratic Equations by Completing the Square Determine the value of c for each of the following quadratic expressions. Show your work in the space provided. 1. x 2 – 14 x + c c = 49 Show work here 14 = 7 ( 7 ) 2 = 49 2 2 2 . x 2 + 16 x + c c = 64 Show work here 16 = 8 ( 8 ) 2 = 64 2 Solve by completing the square. If the 3. x 2 – 12 x + 27 = 0 Solutions: x = x^2-12x+27=0 and x = (x-6)^2-9=0 Equation to complete the square: x2 - 12x -6=27 Show work here to find the c -value. 12 = 6 ( 6 ) 2 = 36 2 Show work here to factor: (Don’t forget the sign of the binomial) ( x - 36 ) 2 =
Show work here for solving the two equations: n =
Show work here to find the c -value.
Show work here to factor: (Don’t forget the sign of the binomial)
Show work here for solving the two equations:
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