Algebra Ii Unit V: Quadratics Unit Notes Packet Functions Worksheet Page 5
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23• Vertex and Axis of Symmetry of a Parabola
2
Standard form of a quadratic function: y = ax
+ bx + c
x-coordinate of the vertex: _______________
Axis of symmetry: ____________
___
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Example: Graph y = 2x
– 8x + 6
1) Find and plot the vertex.
x-coordinate of the vertex is _________
Vertex is _______________
2) Draw axis of symmetry.
Axis of symmetry is _______________
3) Find and plot 2 points on one side of axis of
symmetry. Two points are
4) Use symmetry to plot 2 more points.
2 more points are ______________________________
5) Graph the parabola.
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