Algebra Ii Unit V: Quadratics Unit Notes Packet Functions Worksheet Page 8
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235.1.2: Graphing Quadratic Functions Day 2
Warm-up: Graph the following quadratic functions.
2
2
A.
B.
y
x
2
x
3
y
2
x
4
x
1
=
−
−
+
=
−
+
Notes: Vertex Form
Last class we graphed quadratic functions that were in
but another form of quadratic functions that we must know how to graph is
2
Vertex form of a quadratic function: y = a(x – h)
+ k
Vertex is __________________
Axis of symmetry: ____________________
2
Example: Graph y = 2(x – 1)
+ 3
Vertex is ____________________
Axis of symmetry is ____________________
Once we have this information, we can graph
just like last class.
8
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