CCSS IP Math II 6.7.1 Example 2
Prove or disprove that the quadratic function graph with vertex and passing through has its focus at .
- Sketch the graph using the given information.
- Derive an equation of the parabola from its graph.
- Substitute the given point on the parabola into the standard form of the equation to solve for .
- Use the value of to determine the focus.