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## Quadratic Functions ABC%27sIdentify the a, b, and c for each of the quadratics and determine if the graph opens up or downward.Definitions: Vertex results , y = -10x %2b 8 %2b4x^2, Quadratic Function, y = 8x - 10x^2 %2b 4 web 2.0 , y = -8x%2b10 %2b 4x^2 , y= -4 - 10x %2b 8x^2, y = 10x ^ 2 -8x %2b 4, y= -8x^2 - 4x %2b 10, y= -8x - 4x^2 %2b 10 , y= -10x^2 - 8x - 4, y = 10x %2b 4x ^2 - 8, y = -4x^2 -10 - 8x , axis of symmetry, y= 8x^2 %2b 4x -10, roots, y = 4x%2b10 - 8x^2 activity , Answers: a=-8 b=-4 c=10 opens down, a=-4 b= -8 c= -10 opens down, a=8 b=4 c=-10 opens up, a= 4 b= 10 c= -8 opens up, a=-4 b=-8 c=10 opens down, a= 4 b= -10 c= 8 opens up class website , zeros solutions x-interceptsstimulate your students , a= -10 b = -8 c= -4 opens down, a= -10 b = 8 c = 4 opens down, line cutting graph into two equal parts, goes through vertex, a = -8 b = 4 c=10 opens down, u-shaped degree of 2 parabola, a= 8 b= -10 c= -4 opens up print quizzes , minimum or maximum, a= 10 b= -8 c= 4 opens up , a= 4 b= -8 c= 10 opens up learning , |