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Mathematics
Mathematics
Problem
Find the maximum or minimum value for each quadratic, and the corresponding value of
x
x
x
: a.
a
y
=
x
2
−
2
x
y = x^2 - 2x
y
=
x
2
−
2
x
b.
b
y
=
7
−
2
x
−
x
2
y = 7 - 2x - x^2
y
=
7
−
2
x
−
x
2
c.
c
y
=
8
+
2
x
−
3
x
2
y = 8 + 2x - 3x^2
y
=
8
+
2
x
−
3
x
2
d.
d
y
=
2
x
2
+
x
−
1
y = 2x^2 + x - 1
y
=
2
x
2
+
x
−
1
e.
e
y
=
4
x
2
−
x
+
5
y = 4x^2 - x + 5
y
=
4
x
2
−
x
+
5
f.
f
y
=
7
x
−
2
x
2
y = 7x - 2x^2
y
=
7
x
−
2
x
2
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