How do I graph a quadratic equation?
First, find the vertex of the quadratic equation using the formula -b/(2a). Then, plot the vertex and use the equation to find additional points. Connect the points to form a parabola. Done!
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Easy peasy! Just plot the vertex, find the axis of symmetry, and pick a few points on either side. Connect the dots, and voila, you've got a parabola!
Plot the vertex, then determine the direction of the parabola (up or down) based on the coefficient of x^2. Find a few more points by substituting x values, and connect them smoothly to complete your graph.
Honestly, plug it into a graphing calculator or an app. So much easier and faster.
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