stodd9503
stodd9503 stodd9503
  • 11-02-2019
  • Mathematics
contestada

Solve the equation, , using the quadratic formula.

Solve the equation using the quadratic formula class=

Respuesta :

MrsStrong
MrsStrong MrsStrong
  • 21-02-2019

Answer:

[tex]\frac{-5+/-\sqrt{42} }{8}[/tex]

Step-by-step explanation:

The quadratic formula is [tex]x=\frac{-b+/-\sqrt{b^2-4ac} }{2a}[/tex]. Here a=4, b=5, and c=-1.

Substitute and you'll have:

[tex]x=\frac{-b+/-\sqrt{b^2-4ac} }{2a} =\frac{-5+/-\sqrt{5^2-4(4)(-1)} }{2(4)}=\frac{-5+/-\sqrt{25+17} }{8)}[/tex]

[tex]\frac{-5+/-\sqrt{42} }{8}[/tex]

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