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19-06-2017
Mathematics

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Write the quadratic equation in standard form. What is the value of b2 - 4ac? 1 = 2x2 + 5x?

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Banabanana Banabanana

19-06-2017

1 = 2x² + 5x
2x²+5x-1=0 equation in standard form

a=2
b=5
c=-1
b² - 4ac = 5²-4*2*(-1) = 25 + 8 = 33

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