Warm Up
Complete the table and graph the points.
x
-3
-2
-1
0
1
2
3
y = x2
9.1
Learning Targets:
1. Analyze the characteristics of quadratic functions.
a. From a graph
b. From an equation
Key points: type of function, shape, vertex, axis of symmetry, max or min., y­
intercept, x­intercepts, domain and range
Label on the graphs the following: the axis of symmetry, vertex, max or min, x­intercepts, y­intercepts, domain and range.
2.
1.
Opens:
Opens:
Axis:
Axis:
Vertex:
Vertex:
Max or Min?
Max or Min?
x‐intercepts:
x‐intercepts:
y‐intercepts:
y‐intercepts:
Domain:
Domain:
Range:
Range:
Identify the vertex, axis of symmetry, x and y­intercepts, max or min, domain and range.
3.
4.
Opens:
Opens:
Axis:
Axis:
Vertex:
Vertex:
Max or Min?
Max or Min?
x‐intercepts:
x‐intercepts:
y‐intercepts:
y‐intercepts:
Domain:
Domain:
Range:
Range:
HW # 89
Worksheet 9­1 # 1 ­ 3