Here is the quadratic function graph.Įxample: Graph the quadratic function f(x) = 2x 2 - 8x + 3.īy comparing this with f(x) = ax 2 + bx + c, we get a = 2, b = -8, and c = 3. Step - 4: Now, we have two points on either side of the vertex so that by plotting them on the coordinate plane and joining them by a curve, we can get the perfect shape.Step - 3: Find the corresponding values of y by substituting each x value in the given quadratic function.Step - 2: Compute a quadratic function table with two columns x and y with 5 rows (we can take more rows as well) with vertex to be one of the points and take two random values on either side of it.Here are the steps for graphing a quadratic function. i.e., it opens up or down in the U-shape. The graph of a quadratic function is a parabola. y ≤ k (or) (-∞, k] when a
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