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  • Solving quadratic equations using quadratic formula.

  • Quadratic formula works for equations which are hard to factorize, or which do not have real roots.

  • Quadratic equation is of the form ax square plus bx plus c is equal to 0.

  • By quadratic formula, we get.

  • Let us solve following equations by quadratic formula.

  • 2x square plus x minus 5 is equal to 0.

  • Here a is equal to 2, b is equal to 1, c is equal to -5.

  • 5x square minus 2x plus 7 is equal to 0.

  • Here a is equal to 5, b is equal to -2, c is equal to 7.

  • Therefore, 5x square minus 2x plus 7 is equal to 0 does not have any real roots.

  • The End.

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B1 中級 美國腔

二次方程|#aumsumum (Quadratic Equations | #aumsum)

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    AumSum 發佈於 2021 年 01 月 14 日
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