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5.2.4. Solving Quadratic Equations by Completing the Square 102 5.2.5. Solving Quadratic Equations by the Quadratic Formula 104 5.2.6. The number of real solutions of a quadratic equation 105 5.3. A Digression into Square Roots and the Complex Numbers 109 5.3.1. Square Roots 109 5.3.2. The Number iand the Complex Numbers 111 5.4. Graphing ... Dec 16, 2009 · If you need a review on solving quadratic equations, feel free to go to Tutorial 17: Quadratic Equations. Step 4 : Check for extraneous solutions. When solving equations with rational exponents, extra solutions may come up when you raise both sides to an even power.
Topics covered include: pre-algebra review, solving linear equations, graphing linear equations, inequalities, systems of linear equations, polynomials, factoring, rational expressions and equations, radicals, quadratics, and functions including exponential, logarithmic and trigonometric. Free quadratic equation calculator - Solve quadratic equations using factoring, complete the square and the quadratic formula step-by-step When solving a problem using the quadratic formula here are the steps we should follow for each problem: Step 1: 2Simplify the problem to get the problem in the form ax + bx + c = 0. Step 2: Identify the values of a, b, and c, then plug them into the quadratic formula. Step 3: Simplify the numbers within the quadratic formula.