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quadratic function question

Algebra
Tutor: None Selected Time limit: 1 Day

Please help with solving this problem  y=3x^2+12X+4

Feb 2nd, 2015

3x^2+12x+4 = 0

use the quadratic formula

-12 +/- sqrt(12^2 - 4(3)(4)) / 2(3)

-12 +/- sqrt(144 - 48) / 6

-2 +/- sqrt(96)/6 = -2 +/- sqrt[(16)(6)]/6 = -2 +/- 4sqrt(6)/6 =

x = -2 +/- 2sqrt(6)/3

Feb 2nd, 2015

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Feb 2nd, 2015
Feb 27th, 2017
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