can someone explain this to me

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937

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+143

Find the value of c that makes each trinomial a perfect square. Then write the trinomial as a perfect square.

648-05-04-00-00_files/i0290000.jpg

a.		c.
b.		d.

mishforever21 Dec 15, 2014

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Best Answer

+128475

+5

Take (1/2) of the coefficient on "x," i.e., (-8/3)....so ....(1/2)(-8/3) = -8/6

To find "c," square this = (64/36) = (16/9) = c

So, the polynomial is x² - (8/3)x + 16/9

And to factor this, we have

[x - 4/3 ] ²

The correct answer is "c"

CPhill Dec 15, 2014

1⁺⁰ Answers

+128475

+5

Best Answer

Take (1/2) of the coefficient on "x," i.e., (-8/3)....so ....(1/2)(-8/3) = -8/6

To find "c," square this = (64/36) = (16/9) = c

So, the polynomial is x² - (8/3)x + 16/9

And to factor this, we have

[x - 4/3 ] ²

The correct answer is "c"

CPhill Dec 15, 2014

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