Algebra 2B - 4.7 E Learning Day Notes

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The first step is to divide by 4.

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In problem number 3. of your notes what is b?

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b is -18.

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What is the result of taking the square root of both sides in the completing the square method?

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The result is solving for x.

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What is a perfect square trinomial?

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1. Divide by a. 2. Move c to the other side. 3. Take half of b, square it, and add to both sides.

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What is the quadratic formula?

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What does the discriminant tell you about the roots of a quadratic equation?

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What is the vertex form of a quadratic function?

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