How do you factor 4y^2-4y+1?

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How do you factor 4y^2-4y+1?

I can't figure it out, please help! Thank you...

2007-06-12 08:34:28 · 2 answers · asked by Laura P 2 in Education & Reference ➔ Homework Help

2 answers

(2y-1)*(2y-1)

2007-06-12 08:41:17 · answer #1 · answered by Anonymous · 0⤊ 0⤋

(2y + 1)^2

First, use the determinant, which is sqrt(b^2 - 4ac). If you figure this out, you have zero. That means you have a perfect square.

What number makes 4y^2 when squared?
What number makes 1 when squared?

2007-06-12 15:39:23 · answer #2 · answered by tkquestion 7 · 0⤊ 0⤋