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Mathematics 16 Online
OpenStudy (kammykoo):

Rounded to the nearest hundredth, what is the positive solution to the quadratic equation 0 = 2x2 + 3x – 8?

OpenStudy (kinged):

Don't you know the formula?

OpenStudy (mathmale):

Looking at the quadratic eq'n that you've shared here, you should see that the coefficients are 2, 3 and -8. Let a=2, b=3 and c =-8. Substitute these values of a, b and c into the quadratic formula, which is\[x=\frac{ -b \pm \sqrt{b^2-4ac} }{ 2a }\]

OpenStudy (mathmale):

If you evaluate this properly, it will give you the two x-values that make the given quadratic equation true. Would you please share your work here.

OpenStudy (mathmale):

Which solution is positive? Round it off to the nearest hundredth.

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