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Problem
Problem
Using the discriminant only, state the nature of the solutions of: a.
x
2
+
7
x
−
3
=
0
x^2 + 7x - 3 = 0
x
2
+
7
x
−
3
=
0
b.
x
2
−
3
x
+
2
=
0
x^2 - 3x + 2 = 0
x
2
−
3
x
+
2
=
0
c.
3
x
2
+
2
x
−
1
=
0
3x^2 + 2x - 1 = 0
3
x
2
+
2
x
−
1
=
0
d.
5
x
2
+
4
x
−
3
=
0
5x^2 + 4x - 3 = 0
5
x
2
+
4
x
−
3
=
0
e.
x
2
+
x
+
5
=
0
x^2 + x + 5 = 0
x
2
+
x
+
5
=
0
f.
16
x
2
−
8
x
+
1
=
0
16x^2 - 8x + 1 = 0
16
x
2
−
8
x
+
1
=
0
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