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Mathematics
Mathematics
Problem
Classify each of the following quadratic equations according to whether it has two distinct real roots, one repeated real root, or no real roots: (a)
2
x
2
+
5
x
−
3
=
0
2x^2+5x-3=0
2
x
2
+
5
x
−
3
=
0
(b)
x
2
+
4
x
+
4
=
0
x^2+4x+4=0
x
2
+
4
x
+
4
=
0
(c)
3
x
2
+
2
x
+
5
=
0
3x^2+2x+5=0
3
x
2
+
2
x
+
5
=
0
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