2
10.) h(x) = 2x
+ 4x + 1
y
10
9
8
7
Vertex: _______
6
5
Max or min? _______
4
3
Direction of opening? _______
2
1
Axis of symmetry: ________
x
-10 -9 -8 -7 -6 -5 -4 -3 -2 -1
1 2 3 4 5 6 7 8 9 10
2
-1
Compare to the graph of y = x
-2
-3
_________________________
-4
-5
-6
-7
-8
-9
-10
1
2
11.) k(x) = 2 – x –
x
2
y
10
9
8
7
6
Vertex: _______
5
4
Max or min? _______
3
2
Direction of opening? _______
1
x
-10 -9 -8 -7 -6 -5 -4 -3 -2 -1
1 2 3 4 5 6 7 8 9 10
Axis of symmetry: ________
-1
-2
2
Compare to the graph of y = x
-3
-4
_________________________
-5
-6
-7
-8
-9
-10
12.) State whether the function y = − 3x
+ 12x − 6 has a minimum value or a maximum
2
value. Then find the minimum or maximum value.
1
=
+
− . State whether it is a minimum or maximum. Find that
2
13.) Find the vertex of
y
x
5
x
7
2
minimum or maximum value.
3