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Carol Fisher's Homepage Algebra II Table of Contents |
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| For this exercise, you need ♥ INTERNET EXPLORER 6.0 and above, with MathPlayer installed.♥ | |
| no |
exactly one |
two different |
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| (original equation) | |
| (subtract | |
| (divide both sides by the technique of completing the square only works when the coefficient of the squared term is | |
| (add this is the correct number to add to turn the left side into a perfect square) | |
| (rewrite left side as a perfect square; get a common denominator on the right) | |
| (add fractions, simplify) | |
| (the equation | |
| (use the rules
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| (the plus/minus allows elimination of the absolute value) | |
| (add | |
| (add fractions) |
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THE QUADRATIC FORMULA The solutions to the equation |
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DEFINITION: discriminant The expression Similarly, the expression |
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Algebra II Table of Contents © 2006 Carol J.V. Fisher |
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