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Mathematics
Problem
For each of the following quadratic equations, state the number of real roots and then arrange the equations in decreasing order of their discriminant values. a. (a)
x
2
−
6
x
+
8
=
0
x^{2} - 6x + 8 = 0
x
2
−
6
x
+
8
=
0
b. (b)
3
x
2
+
4
x
+
5
=
0
3x^{2} + 4x + 5 = 0
3
x
2
+
4
x
+
5
=
0
c. (c)
2
x
2
+
9
x
+
10
=
0
2x^{2} + 9x + 10 = 0
2
x
2
+
9
x
+
10
=
0
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