How do you use the quadratic formula to solve quadratic equations?
How do you solve (1/6)x^2 + x + 1/3 = 0 using the quadratic formula?
How do you solve (1/6)x^2 + x + 1/3 = 0 by completing the square?
How do you solve a quadratic equation if the leading coefficient is a fraction like 1/6?
How do you solve x^2 + 6x + 2 = 0 using the quadratic formula?
How do you solve x^2 + 6x + 2 = 0 by completing the square?
When is completing the square faster and easier than using the quadratic formula?
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This lesson shows how to solve a quadratic equation by using the quadratic formula and then also by completing the square. All steps involved in both solving methods are explained. This also demonstrates that sometimes completing the square is actually faster than using the quadratic formula.