Description
Students examine quadratic equations in two variables represented graphically on a coordinate plane and recognize the symmetry of the graph. They explore key features of graphs of quadratic functions: y-intercept and x-intercepts, the vertex, the axis of symmetry, increasing and decreasing intervals, negative and positive intervals, and end behavior. They sketch graphs of quadratic functions as a symmetric curve with a highest or lowest point corresponding to its vertex and an axis of symmetry passing through the vertex.
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From EngageNY.org of the New York State Education Department. Algebra I Module 4, Topic A, Lesson 8.
Available from engageny.org/resource/algebra-i-module-4-topic-lesson-8; accessed 2015-05-29.
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