spitfire0117
spitfire0117 spitfire0117
  • 17-04-2017
  • Mathematics
contestada

Use the quadratic formula to determine the exact solutions to the equation. 2x^2−5x+1=0

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Kmieteczka
Kmieteczka Kmieteczka
  • 17-04-2017
[tex]2x^2-5x+1=0[/tex]
[tex]x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}[/tex]
[tex]x=\frac{5\pm\sqrt{25-8}}{4}=\frac{5\pm\sqrt{17}}{4}=\frac{5-\sqrt{17}}{4},\frac{5+\sqrt{17}}{4}[/tex]

[tex]x_1=\frac{5-\sqrt{17}}{4}[/tex]
[tex]x_2=\frac{5+\sqrt{17}}{4}[/tex]

:)
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