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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. y = 8x - 10x^2 %2b 4 1. y = 4x%2b10 - 8x^2 2. Vertex 3. y = 10x %2b 4x ^2 - 8 4. y = -8x%2b10 %2b 4x^2 5. axis of symmetry 6. Quadratic Function 7. y = -10x %2b 8 %2b4x^2 8. y= -8x^2 - 4x %2b 10 9. y= -10x^2 - 8x - 4 10. y= -4 - 10x %2b 8x^2 11. y = 10x ^ 2 -8x %2b 4 12. roots 13. y = -4x^2 -10 - 8x 14. y= -8x - 4x^2 %2b 10 15. y= 8x^2 %2b 4x -10 Answers: 0. line cutting graph into two equal parts, goes through vertex 1. a= 4 b= -8 c= 10 opens up 2. a = -8 b = 4 c=10 opens down 3. a= 8 b= -10 c= -4 opens up 4. a=8 b=4 c=-10 opens up 5. a= 4 b= 10 c= -8 opens up 6. a=-4 b=-8 c=10 opens down 7. a= 4 b= -10 c= 8 opens up 8. a= -10 b = -8 c= -4 opens down 9. a= -10 b = 8 c = 4 opens down 10. minimum or maximum 11. a=-4 b= -8 c= -10 opens down 12. u-shaped degree of 2 parabola 13. a=-8 b=-4 c=10 opens down 14. zeros solutions x-intercepts 15. a= 10 b= -8 c= 4 opens up |