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53  Transforming Parabolas
Vertex Form of a Quadratic Model
f(x) = y = a(x  h)^2 + k
*the vertex is the point (h, k)
*very similar to y = ax  h + k, which we have explored in the past
Graphing a Quadratic Model in Vertex Form
1) Graph the vertex (h, k) on the coordinate plane and draw in the axis of symmetry.
2) Find another appropriate point on the parabola by selecting an appropriate value of x.
3) Plot the new point and its reflection on the coordinate plane.
4) Once you have the vertex, a point to the left, and a point to the right, it is time to sketch the curve.
For more help with graphing parabolas in vertex form, click on the video below.
f(x) = y = a(x  h)^2 + k
*the vertex is the point (h, k)
*very similar to y = ax  h + k, which we have explored in the past
Graphing a Quadratic Model in Vertex Form
1) Graph the vertex (h, k) on the coordinate plane and draw in the axis of symmetry.
2) Find another appropriate point on the parabola by selecting an appropriate value of x.
3) Plot the new point and its reflection on the coordinate plane.
4) Once you have the vertex, a point to the left, and a point to the right, it is time to sketch the curve.
For more help with graphing parabolas in vertex form, click on the video below.
jfrank22 
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A20503RE.pdf (Adobe Portable Document Format  463k)
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A20503PR.pdf (Adobe Portable Document Format  489k)
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