DangDudeUgotClout DangDudeUgotClout

27-03-2018
Mathematics

contestada

What is the value of b^2 - 4ac for the following equation?

x^2 + 5x + 4 = 0

A: 9
B: 16
C: 25

Respuesta :

wolf1728 wolf1728

27-03-2018

x^2 + 5x + 4 = 0
a=1
b=5
c=4
b^2 -4ac =
25 -4 * 1 * 4 =
25 -16 =
9
answer is A

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