5 Ways to Solve a Quadratic Poster

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Presentation transcript:

5 Ways to Solve a Quadratic Poster

WAYS TO SOLVE A QUADRATIC 1 2 3 4 5 6

1. Use factoring when: the quadratic is already factored. Such as: the quadratic is easily factorable. Such as: the quadratic is already factored. Such as: the constant term, c is missing. Such as: you are told to solve by factoring.

2. Use quadratic formula when: the quadratic is not factorable. Such as: the question asks for the answers to be rounded. Such as: the question asks for the answers to be written in form. Such as: you are told to solve by using the quadratic formula.

3. Use square root method when: the quadratic term (x2) is set equal to a numeric value. Such as: the middle term, bx, is missing. Such as: you have the difference of two squares. Such as: you are told to solve by using the square root method.

4. Use completing the square when: you are told to put the quadratic into vertex form. the a term is 1 and the b term is even. Such as: you are told to solve by completing the square.

5. Use graphing when: the graph (and table/chart) of the accompanying quadratic function easily shows integer values for the x-intercepts. you have a graphing utility with the capability of finding the decimal values of the roots. you are told to solve by graphing.

6. Why is it important to know the different ways to solve a quadratic?