Solving Quadratic Equations
Solve by Factoring:
Solve by taking square roots:
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Mar 17­7:47 AM
Solve by taking square roots:
Solve by taking square roots:
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Mar 17­7:49 AM
Solve by completing the square.
Solve by completing the square.
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Jun 30­11:23 AM
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Solving Quadratic Equations
Solve each using the quadratic formula:
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Solve each using the quadratic formula:
Jun 30­11:25 AM
Solutions to a Quadratic Equation:
• the discriminant of a quadratic equation is used to tell what kind of solutions it will have and how many
b2 ­ 4ac is the discriminant
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• if b ­ 4ac < 0 the equation has 2 complex solutions
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• if b ­ 4ac = 0 the equation has 1 real solution
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• if b ­ 4ac > 0 the equation has 2 real solutions
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