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23-12-2017
Mathematics

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8x^2+18x-5=0 find the discriminant

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dsaketh dsaketh

23-12-2017

The formula for the discriminant is the square root of b^2 - 4ac

8x^2+18x-5= 0

a = 8, b=18, c= -5

Square root of 324 +160

Square root of 484 = 22 The discriminant is 22

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