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OpenStudy (1645323):
Find the quadratic equation in standard form with roots -⅔ and 4. Select one: a. 3x2 + 14x + 8 = 0 b. 3x2 -10x - 8 = 0 c. 2x2 - 5x - 12 = 0 d. 2x2 + 9x - 8 = 0
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OpenStudy (anonymous):
A
OpenStudy (anonymous):
x = -2/3, x = 4 set to zero combine...
OpenStudy (1645323):
its b @d3Xter
OpenStudy (anonymous):
Oops, sorry about that (sign issues..)
OpenStudy (1645323):
yea
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OpenStudy (anonymous):
\[(3x+2)(x-4) \rightarrow 3x^2 -12x+2x -8 = 3x^2-10x-8\]
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