These interactive notes teach students the vocabulary of quadratic functions and their graphs as well as insight into how the a and c values of basic quadratics of the form y=x^2+c impact how a parabola looks.
Notes begin by having students sort a list of quadratic functions into linear, quadratic, and other. Then, vocabulary such as parabola, vertex, maximum, minimum, and axis-of symmetry is introduced. Next, students to look at equations and their graphs to deduce how changes in a and c change the look of a parabola. (I have typically done each of these parts as a whole-class activity.)
Next, students are asked to use their new knowledge by completing a quadratics sort--where they match a graph of a quadratic function with its equation.
Finally, students are given an exit slip question asking them to explain their process for completing the sort.
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