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OpenStudy (anonymous):
What are the approximate solutions of 2x2 + 9x = 8 to the nearest hundredth? A. x ≈ 1.22 and x ≈ 3.28 B. x ≈ -0.76 and x ≈ 5.26 C. x ≈ -1.22 and x ≈ -3.28 D. x ≈ -5.26 and x ≈ 0.76
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OpenStudy (anonymous):
2x^2*
OpenStudy (precal):
use the quadratic formula
OpenStudy (anonymous):
I did but then I ended up with -9 (+or-) 17/4. Then the 2 x's ended up as -13/2 and 2/1 which is none of those so I got confused lol.
OpenStudy (precal):
|dw:1337712674597:dw| c=-8 correct
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