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Mathematics
Problem
Identify the expression that represents the discriminant of the quadratic equation
a
x
2
+
b
x
+
c
=
0
ax^2 + bx + c = 0
a
x
2
+
b
x
+
c
=
0
. a)
b
2
+
4
a
c
b^2 + 4ac
b
2
+
4
a
c
b)
4
a
c
−
b
2
4ac - b^2
4
a
c
−
b
2
c)
b
2
−
4
a
c
b^2 - 4ac
b
2
−
4
a
c
d)
b
2
−
4
a
c
\sqrt{b^2 - 4ac}
b
2
−
4
a
c
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