Graphing Quadratics Review Worksheet Page 2
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2
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412. Given the graph, identify the following.
Axis of symmetry: ____________
Vertex: ____________
How many zeros: ____ which are: ________
Domain: _____________
Range: ______________
Graph the following quadratic functions by using critical values and/or factoring.
You need three points to graph and don’t necessarily need all the information listed.
Remember:
Option 1:
If it factors, find the zeros.
The middle of the two factors is the axis of symmetry.
−
b
Option 2:
If it doesn’t factor, find the axis of symmetry with
=
x
2
a
x
y
Plug the
-value into the original equation to find the
-value of the
y
c
vertex. The
-intercept is at (0,
)
2
13. y = x
– 2x - 3
factor or critical values?
Identify the zeros/roots: ____ and ____
Does it have a minimum or maximum? ____
Axis of symmetry: _________ Vertex: ________
y-intercept: __________
Domain: ________
Range: _________
Graph at least 5 points
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