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Mathematics
Mathematics
Problem
Use the discriminant to determine the relationship between the graph of each function and the
x
x
x
-axis: a. a
y
=
x
2
+
x
−
2
y = x^2 + x - 2
y
=
x
2
+
x
−
2
b. b
y
=
x
2
−
4
x
+
1
y = x^2 - 4x + 1
y
=
x
2
−
4
x
+
1
c. c
y
=
−
x
2
−
3
y = -x^2 - 3
y
=
−
x
2
−
3
d. d
y
=
x
2
+
7
x
−
2
y = x^2 + 7x - 2
y
=
x
2
+
7
x
−
2
e. e
y
=
x
2
+
8
x
+
16
y = x^2 + 8x + 16
y
=
x
2
+
8
x
+
16
f. f
y
=
−
2
x
2
+
3
x
+
1
y = -2x^2 + 3x + 1
y
=
−
2
x
2
+
3
x
+
1
g. g
y
=
6
x
2
+
5
x
−
4
y = 6x^2 + 5x - 4
y
=
6
x
2
+
5
x
−
4
h. h
y
=
−
x
2
+
x
+
6
y = -x^2 + x + 6
y
=
−
x
2
+
x
+
6
i. i
y
=
9
x
2
+
6
x
+
1
y = 9x^2 + 6x + 1
y
=
9
x
2
+
6
x
+
1
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