# Write the quadratic equation in general form. What is the value of b2 - 4ac? 1 = 2x2 + 5x? 17 33 34

QUESTION POSTED AT 01/06/2020 - 04:10 PM

QUESTION POSTED AT 01/06/2020 - 04:10 PM

2x² + 5x - 1 = 0 ← in general form

a=2, b=5, c=-1

b²-4ac = 5² - 4*2*(-1) = 25 + 8 = 33

a=2, b=5, c=-1

b²-4ac = 5² - 4*2*(-1) = 25 + 8 = 33

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