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Hayden01
Hayden01 Hayden01
  • 04-05-2016
  • Mathematics
Answered

I need some help on this.

I need some help on this. class=
I need some help on this. class=

Verified Answer :

BreStrum
BreStrum BreStrum
  • 04-05-2016

So you are going to use the quadratic formula- 

-b +/- √b^2 -4ac/2a

So the problem is x^2 - 5x + 2 = 0

a=1
b=5
c=2

-(-5) +/-√-5²-4(1)(2)/2(1)
= 5 +/- √25 - 8/2
= 5 +/- √17/2

Your answer is D.

Understand?

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