algebra II

How do you know if a quadratic equation will have one, two, or no solutions? How do you find a quadratic equation if you are only given the solution? Is it possible to have different quadratic equations with the same solution? Explain. Provide your classmate’s with one or two solutions with which they must create a quadratic equation.

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  1. It will depend on the value of b^2-4ac, the part under the square root sign, often called D for discriminant
    If D > 0 --- 2 real roots
    if D=0 ---- 1 real root
    if D< 0 --- 2 imaginary or complex roots

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    posted by Reiny
  2. x=2 or x=3

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  3. It depends on the question given

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    posted by Cynthia
  4. If you are given -b+-√b-4ac/2a it's called the almighty formula so a question can be given to you in response you will have to use the almighty formula to get a quadratic equation question

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    posted by Cynthia

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