ramirezzairap2u4lh ramirezzairap2u4lh
  • 17-02-2018
  • Mathematics
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Find the value of k that would make the left side of the equation a perfect square trinomial. Show your work. 9x^2-kx+4=0

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susanwiederspan
susanwiederspan susanwiederspan
  • 17-02-2018
k = 72.

A perfect-square trinomial is of the form [tex]a^2x^2 +/- 2axb + b^2[/tex]. 2axb = 72.
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