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Unformatted text preview: 3 2 2--= x x y Graph: Step 1: Find and graph the axis of symmetry Step 2: Find and graph the vertex. a b x 2-= Graphing Parabolas in Standard Form Step 3: Find and graph the y-intercepts and its reflection. y int is (0,c) y-int ( , ) reflection ( , ) Step 4: Evaluate the function for another value of x, such as x = 3.-graph the point and its reflection 3 2 2--= x x y You try Graph: 2 4 2 + +-= x x y Finding Max or Min Values Real Quick: 1) determine if the parabola opens up or down a>0 _______________ a<0 ________________ 2) find the coordinates of the vertex 3) the max or min is the y coordinate of the vertex. a b x 2-= 1 8 2 2-+ = x x y Homework: p. 244 # 1-6, 22-24...
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