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Quadratic Functions ABC%27s

Identify the a, b, and c for each of the quadratics and determine if the graph opens up or downward.

Definitions:
y = 8x - 10x^2 %2b 4 , y = 4x%2b10 - 8x^2 online , y= -8x^2 - 4x %2b 10 active teaching , y = -8x%2b10 %2b 4x^2 , y= -4 - 10x %2b 8x^2, y= 8x^2 %2b 4x -10, roots, y= -10x^2 - 8x - 4, y = 10x ^ 2 -8x %2b 4, y = -4x^2 -10 - 8x , y = -10x %2b 8 %2b4x^2, axis of symmetry, y = 10x %2b 4x ^2 - 8 e-learning , y= -8x - 4x^2 %2b 10 , Vertex, Quadratic Function,

Answers:
a=-4 b=-8 c=10 opens down, a= 10 b= -8 c= 4 opens up , a= -10 b = -8 c= -4 opens down, a= -10 b = 8 c = 4 opens down, a = -8 b = 4 c=10 opens down, a=-8 b=-4 c=10 opens down, a= 4 b= -10 c= 8 opens up test , a= 4 b= -8 c= 10 opens up, line cutting graph into two equal parts, goes through vertex, a=8 b=4 c=-10 opens up, minimum or maximum, u-shaped degree of 2 parabola, a= 4 b= 10 c= -8 opens up, a=-4 b= -8 c= -10 opens down, a= 8 b= -10 c= -4 opens up online education , zeros solutions x-intercepts,