Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
Which of the following expressions equals 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)
b
2
−
4
a
c
\sqrt{b^{2}-4ac}
b
2
−
4
a
c
c)
b
2
−
4
a
c
b^{2}-4ac
b
2
−
4
a
c
d)
b
2
−
a
c
b^{2}-ac
b
2
−
a
c
Browse the problem library