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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 yintercepts and its reflection. y int is (0,c) yint ( , ) 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 # 16, 2224...
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This note was uploaded on 05/13/2011 for the course MTH 98 taught by Professor Johnson during the Fall '09 term at Grand Valley State University.
 Fall '09
 Johnson
 Algebra, YIntercept

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