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anonymous
 one year ago
WILL FAN AND MEDAL
Select the polynomial that is a perfect square trinomial.
49x2 − 8x + 16
4a2 − 10a + 25
25b2 − 5b + 10
16x2 − 8x + 1
anonymous
 one year ago
WILL FAN AND MEDAL Select the polynomial that is a perfect square trinomial. 49x2 − 8x + 16 4a2 − 10a + 25 25b2 − 5b + 10 16x2 − 8x + 1

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0a number after the variable is an exponent

Taylor0402
 one year ago
Best ResponseYou've already chosen the best response.0here is a reference to help you file:///C:/Users/Owner/Downloads/StudyGuide.IA.pdf

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I can't click the link @Taylor0402

Taylor0402
 one year ago
Best ResponseYou've already chosen the best response.0copy and paste if u doof

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0allo ospreytriple :)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Hi. You need some help? Firstly, for a trinomial to be a perfect square, both the first and last terms must be perfect squares. For example\[\left( 2x+3 \right)\left( 2x+3 \right) = 4x^2+12x+9\]Both the first term, 4x^2, and the last term, 9, are perfect squares. Understand so far?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0This will eliminate one of the answers.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Now, to pin it down, The coefficient of the middle term (the coefficient of the 'x' term) must be equal to twice the product of the square roots of the coefficient of the first term and the third term. In my example\[4x^2+12x+9\]the square root of the coefficient of the first term is 2 and the square root of the third term is 3. Twice their product is 2(2 x 3) = 12. OK?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0And to make it even trickier, you have to consider that the negative square root may also be a possibility.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Take the first answer given for example. The square root of 49 is +7 or 7 and the square root of 16 is +4 or 4. So, if it is a perfect square the coefficient of the middel term must be one of 2(7 x 4) 2(7 x 4) 2(7 x 4) 2(7 x 4) If it is not one of these, the it is not a perfect square trinomial.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0BTW these are the answers 49x2 − 8x + 16 4a2 − 10a + 25 25b2 − 5b + 10 16x2 − 8x + 1

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0@ospreytriple is it B?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Oops. sorry, it's not B.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0The middle coefficient must be TWICE the product of the two square roots.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0So, for the possibilities for the coefficient of the middle term are 2(2 x 5) 2(2 x 5) 2(2 x 5) 2(2 x 5)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Yes, D is correct. Sorry for the mixup.
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