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## Quadratic Functions ABC%27sAuthor: Sturdivant VeronicaDescription: Identify the a, b, and c for each of the quadratics and determine if the graph opens up or downward.Keywords: , , , , , , online teachingContent:Definitions: 0. Quadratic Function 1. axis of symmetry 2. y = 8x - 10x^2 %2b 4 3. y = -4x^2 -10 - 8x 4. y= 8x^2 %2b 4x -10 5. y= -8x - 4x^2 %2b 10 6. y = -8x%2b10 %2b 4x^2 7. y = -10x %2b 8 %2b4x^2 8. Vertex 9. y= -8x^2 - 4x %2b 10 10. y = 4x%2b10 - 8x^2 11. roots 12. y= -10x^2 - 8x - 4 13. y = 10x %2b 4x ^2 - 8 14. y= -4 - 10x %2b 8x^2 15. y = 10x ^ 2 -8x %2b 4 Answers: 0. zeros solutions x-intercepts 1. line cutting graph into two equal parts, goes through vertex 2. a= -10 b = 8 c = 4 opens down 3. a=-4 b= -8 c= -10 opens down 4. a = -8 b = 4 c=10 opens down 5. a=8 b=4 c=-10 opens up 6. a= 8 b= -10 c= -4 opens up 7. a= 4 b= -8 c= 10 opens up 8. u-shaped degree of 2 parabola 9. a= 10 b= -8 c= 4 opens up 10. a=-8 b=-4 c=10 opens down 11. a= 4 b= 10 c= -8 opens up 12. a= 4 b= -10 c= 8 opens up 13. minimum or maximum 14. a=-4 b=-8 c=10 opens down 15. a= -10 b = -8 c= -4 opens down |