njslAn5ad0ovannaroma njslAn5ad0ovannaroma

19-11-2016
Mathematics

contestada

What is the value of b2 - 4ac for the following equation?

2x^2 + 3x = -1

a) 0
b) 1
c) 17 ...?

Respuesta :

Nirina7 Nirina7

21-11-2016

the answer is b) 1, b2 - 4ac = 3^2 - 4(2) (1) =9-8 = 1

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