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Ch. 7 sections 14.notebook December 07, 2016
Example 1Sketch the graph of the function y = x2 – 9. Determine the yintercept, any xintercepts, the axis of symmetry, the vertex, and the domain and range.
Ch. 7 sections 14.notebook December 07, 2016
Example 2Sketch the graph of the function y = x2 + x 2. Determine the yintercept, any xintercepts, the axis of symmetry, the vertex, and the domain and range.
Ch. 7 sections 14.notebook December 07, 2016
Ch. 7 sections 14.notebook December 07, 2016
TRYSketch the graph of y = x2 8x + 12. State the vertex, the axis of symmetry, the x and y intercepts, and the domain and range.
Ch. 7 sections 14.notebook December 07, 2016
Example 4
Vertex:
Equation of axis of symmetry:
Domain
Range
Opening
Max/min
xintercepts
yintercept
Vertex:
Equation of axis of symmetry:
Domain
Range
Opening
Max/min
xintercepts
yintercept
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Ch. 7 sections 14.notebook December 07, 2016
The axis of symmetry is always the xvalue of the vertex.
Vertex:
Equation of axis of symmetry:
Domain
Range
Opening
Max/min
xintercepts
yintercept
Vertex:
Equation of axis of symmetry:
Domain
Range
Opening
Max/min
xintercepts
yintercept
Vertex:
Equation of axis of symmetry:
Domain
Range
Opening
Max/min
xintercepts
yintercept
y=x2 4x+6
y=x2 6x
Ch. 7 sections 14.notebook December 07, 2016
Example 3Sketch the graph of the function y = x2 6x. Determine the yintercept, any xintercepts, the axis of symmetry, the vertex, and the domain and range.
Ch. 7 sections 14.notebook December 07, 2016
Example 5: Find the equation of the axis of symmetry for each parabola.
For each of the following, both points are located on the same parabola
a) (3, 2) and (7,2)
b) (‐2, 5) and (6, 5)
c) (2,‐1) and (5, ‐1)
Page 369 - 370 #'s 3 - 7, 9, & 11
To determine the axis of symmetry with no vertex, take 2 xvalues that have the same yvalue, add them together and divide by 2.
page 12
Ch. 7 sections 14.notebook December 07, 2016
Ch. 7 sections 14.notebook December 07, 2016
Graph
page 12
Ch. 7 sections 14.notebook December 07, 2016
1. The quadratic equation is graphed below. Find the following
Vertex:
Equation of Axis of symmetry:
Domain:
Range:
Max/Min :
xintercepts :
page 13
Ch. 7 sections 14.notebook December 07, 2016
2. The quadratic equation is graphed below. Find the following
Vertex:
Equation of Axis of symmetry:
Domain:
Range:
Max/Min :
xintercepts :