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Mathematics 15 Online
OpenStudy (anonymous):

Referring to the figure, evaluate the expression shown when a = 3, b = 7, c = 2 http://www.ppstest2.com/images2/AL9003.jpg

OpenStudy (tyteen4a03):

This is a part of the quadratic equation. Substitute a = 3, b = 7, c = 2 into it, we have \[\sqrt{7^2 - 4(3)(2)}\] Now do the math and we're done.

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