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Extra Practice: (on your own) 6. Find the coordinates of two additional points on the parabola. Find the vertex and the x – intercepts Section 3.1 Day 2 – Quadratic Functions After this section you should be able to: Homework: Graph a quadratic function with and without a calculator. Fi...
Note:We could also make use of the fact that thex-value of the vertex of the parabolay = ax2+bx + cis given by: No points touching thex-axis Here's an example where there is nox-intercept. We can see the vertex is at (-2, 1) and they-intercept is at (0, 2). We...
The vertex of a quadratic equation or parabola is the highest or lowest point of that equation. It lies on the plane of symmetry of the entire parabola as well; whatever lies on the left of the parabola is a complete mirror image of...
You need to know the axis of symmetry since the vertex lies on it. Example: x = 1; this value lies directly between -3 and 5 4 Plug the x value into the original equation. Plug the x value for your axis of symmetry into either equation for your parabola. The y value will be ...