cmunguia194924 cmunguia194924
  • 19-02-2021
  • Mathematics
contestada

X^2+17x+50=0 to the nearest tenth.

Respuesta :

jackiezhang2007
jackiezhang2007 jackiezhang2007
  • 19-02-2021

Since you cannot really factor this problem easily, we are going to resort to the quadratic formula!

x= -b+or- sqrt(b^2-4ac)    / 2a

x=-17+ or - sqrt(17^2-4*50)   /2

x=-17+ or - sqrt89 /2

Now we just need estimate sqrt 89 which is about 9.43 and I will not bother to show the step I did to estimate its about 9.43.

So x= -17+ or -9.43 /2

x= -26.43/2 or -7.57/2

x=-13.215 or -3.785

Round to nearest tenth digit.

x= -13.2 or -3.8

Hope this helps any questions just ask in the comments.

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