How to Find Vertex Axis of Symmetry X-Intercepts and Y-Intercepts and Graph of a Quadratic Function
Channel: Mr. Sal
Date: 2017-07-23

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The problem:
Sketch the graph of each quadratic function.  Label the vertex, sketch and label the axis of symmetry.  Find any intercepts.
𝑓(𝑥)=2(𝑥+3)^2−4






The solution:
Vertex: (-3, -4)
Axis of Symmetry: x=3
x-intercepts: (0, -3+sqrt(2)) and (0, -3-sqrt(2))
y-intercepts: (0, 14)