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OpenStudy (anonymous):
Write the quadratic equation in general form. What is the value of b^2 - 4ac? 1 = 2x^2 + 5x?
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OpenStudy (anonymous):
2x^2 + 5x -1 = 0 general form a = 2, b = 5 and c = -1 now u can calculate b^2-4ac on yr own.....
jhonyy9 (jhonyy9):
b*(2) - 4ac = 25 +8 = 33
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