Solving Quadratic Equations by Completing the Square
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Standard Form of Quadratic Equation | ax^2+bx+c=0
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| Square Root Property | if a^2=b then the square root of a equals plus or minus b
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| Perfect Square Trinomial | ax^2+2ab+b^2 = (a+b)^2
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| Completing the Square means | writing a quadratic equation so that one side is a perfect square trinomial.
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| What is added to both sides of an equation to complete the square? | The square of 1/2 the coefficient of x.
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| 5 Steps used to solve ax^2+bx+c=0 by completing the square: | 1. Divide both sides of equation by coefficient of x^2.
2. Isolate the variable x.
3. Complete the square.
4. Factor the square.
5. Use the square root property.
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| Simple Interest Formula | I=Prt
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| Compound Interest Formula | A=P(1+r)^t
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Created by:
jfkmoore
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