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Earn +20 ptsQ: Is this a perfect square trinomial 9x2 12x 4?
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What is the square root of 18x squared plus 12x plus two?
18x2 +12x + 2 this is not a perfect square trinomial so let's work a little bit here. 18x2 +12x + 2 factor 2 = 2(9x2 +6x + 1) = 2(3x + 1)2 represent 2 as (√2)2 = (√2)2(3x + 1)2 = [(√2)(3x + 1)]2 take its square root = (√2)(3x + 1) for all x > -1/3.
3x2 - 4x equals -2?
Given, 3x2 - 4x = -2 Then, 9x2 - 12x = -6; 9x2 - 12x + 4 = -2 {completing the square} ; 3x - 2 = ±i√2 {sq rt of both sides} ; and 3x = 2 ± i√2. Therefore, x = ⅓(2 ± i√2).
Is 9x2 - 18x plus 9 a trinomial square?
Factors are: 9(x - 1)(x - 1) or (3x - 3)2, so yes, it is.
What should be the value of K if 9x square - 24x plus K is equal to a perfect square?
33
What value of c makes 9x2 plus 24x plus c a perfect square?
16? using 16, you have (3x2 + 4)(3x2 + 4) = 9x2 + 24x + 16
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