A9 Vertex Form
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1
2Name:__________________________________________
Date:_________________
Period:____
A9 Vertex Form
Find the axis of symmetry, vertex, direction of opening, and the y-intercept for each quadratic function. Then use that
information to graph and find the domain and range.
���� = −5 ( ���� + 2 )
− 2
2
1.
Axis of symmetry:___________________
Vertex:________________
Direction opens:___________________
y-intercept:__________
Domain:_______________________
Range:_________________
( ���� − 4 )
2. ���� =
− 3
1
2
3
Axis of symmetry:___________________
Vertex:________________
Direction opens:___________________
y-intercept:__________
Domain:_______________________
Range:_________________
( ���� + 1 )
���� = −
− 5
1
2
5
3.
Axis of symmetry:___________________
Vertex:________________
Direction opens:___________________
y-intercept:__________
Domain:_______________________
Range:_________________
4.
Given the vertex form of a quadratic function, what is the axis of symmetry?
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