Which polynomial is a perfect square trinomial?
2015-10-12 9:08 pm
回答 (1)
2015-10-12 9:36 pm
The perfect squares are:
x^2 + 8x + 16 = (x + 4)^2
9x^2 - 24x + 16 = (3x - 4)^2
4x^2 - 4x + 1 = (2x - 1)^2
Make sure the first and last terms are
both perfect squares, and the middle
term is twice the product of their square
roots ( + or - )
x^2 + 8x + 16 = (x + 4)^2
9x^2 - 24x + 16 = (3x - 4)^2
4x^2 - 4x + 1 = (2x - 1)^2
Make sure the first and last terms are
both perfect squares, and the middle
term is twice the product of their square
roots ( + or - )
收錄日期: 2021-05-02 11:17:21
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