feven8474 feven8474
  • 22-01-2018
  • Mathematics
contestada

What is the constant that should be added to the binomial so that it becomes a perfect square trinomial? x^2+8x?

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texaschic101
texaschic101 texaschic101
  • 22-01-2018
x^2 + 8x

to make this a perfect square trinomial, u will have to have to take half of ur x term, and square it, then add that constant......so ur x term is 8.....half of it is 4......4^2 = 16.....so the constant u need to add is 16

x^2 + 8x + 16 <===
(x + 4)^2...perfect square trinomial
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blessedmom1
blessedmom1 blessedmom1
  • 22-01-2018
this is what you do-
you would add 16 to make it a perfect square
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