What is the value of c so that y=x^2=9x+c is a perfect square trinomial

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asked Jun 22, 2018 166k views

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Christian Giupponi · Answer 1 · 2018-06-27T21:11:36+0000

y=x^2+9x+3
C=3 because you need to square something to get 9. Which means it is 3. Also you would look at the equation as (x+3)^2 which equals x^2+9x+3

What is the value of c so that y=x^2=9x+c is a perfect square trinomial

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