Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
Identify the vertex for each of the following quadratic functions, and state whether the vertex is a minimum or a maximum. a.
f
(
x
)
=
3
(
x
+
1
)
2
−
2
f(x) = 3(x + 1)^2 - 2
f
(
x
)
=
3
(
x
+
1
)
2
−
2
b.
f
(
x
)
=
7
x
2
−
56
x
+
1
f(x) = 7x^2 - 56x + 1
f
(
x
)
=
7
x
2
−
56
x
+
1
c.
f
(
x
)
=
−
(
x
+
3
4
)
2
+
5
4
f(x) = -\left(x + \frac{3}{4}\right)^2 + \frac{5}{4}
f
(
x
)
=
−
(
x
+
4
3
)
2
+
4
5
d.
f
(
x
)
=
−
3
x
2
+
9
x
+
8
f(x) = -3x^2 + 9x + 8
f
(
x
)
=
−
3
x
2
+
9
x
+
8
Browse the problem library