GoldRush18
  • GoldRush18
Determine the values of the real number h for which the roots of the quadratic equation 4x^2-2hx+(8-h)=0 are real.
Mathematics
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SOLVED
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chestercat
  • chestercat
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GoldRush18
  • GoldRush18
i need help!!
eyust707
  • eyust707
I would use the quadratic formula..
GoldRush18
  • GoldRush18
what answers would i get

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More answers

eyust707
  • eyust707
you will learn that the answer is of the least importance.. What matters is the method!
eyust707
  • eyust707
Ans thats what open study is all about! I teach you how if you would like.
GoldRush18
  • GoldRush18
can u teach me please
eyust707
  • eyust707
sure!
eyust707
  • eyust707
have you learned the quadratic formula?
GoldRush18
  • GoldRush18
yes i have
eyust707
  • eyust707
"x equals negitive b plus or minus the square root b squared minus of four a c all over two a"
GoldRush18
  • GoldRush18
in this case what would b the value for c
eyust707
  • eyust707
\[x = (-b \pm \sqrt{b^2 - 4 *a *c})/2a\]
eyust707
  • eyust707
well that equation uses this: \[ax^2 +bx +c = 0\]
eyust707
  • eyust707
a is whatever is in fron of the x^2
eyust707
  • eyust707
so what is a?
GoldRush18
  • GoldRush18
a is 4
eyust707
  • eyust707
b is whatever is in front of x...
eyust707
  • eyust707
so what is b?
GoldRush18
  • GoldRush18
-2
eyust707
  • eyust707
what about the h? that is in front of x too!
eyust707
  • eyust707
we cant get rid of that... we are ging to use it to make our analysis
GoldRush18
  • GoldRush18
oh ok

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