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Completing the Square

Completing the Square. Used to solve a quadratic equation when factoring will not work. How to “complete the square “. x 2 + bx + ?. Divide “b” by 2. Square that result. Add to the original equation. Define the factors. Solving x 2 + bx = c. Complete the square.

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Completing the Square

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  1. Completing the Square Used to solve a quadratic equation when factoring will not work How to “complete the square “ x2 + bx + ? Divide “b” by 2 Square that result Add to the original equation Define the factors

  2. Solving x2 + bx = c Complete the square Add the new value to both sides Factor the left side of the equation Find the square root of both sides Find the solutions

  3. Solving x2 + bx + c = 0 Rewrite the equation as: x2+ bx = c Complete the square Add the new value to both sides Factor the left side of the equation Find the square root of both sides Find the solutions

  4. Solving ax2 + bx+ c = 0 Rewrite the equation as: ax2+ bx = c Divide all terms by “a” Complete the square Add the new value to both sides Factor the left side of the equation Find the square root of both sides Find the solutions

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