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DDD Find the coordinates of the vertex of the graph of y =  5x^{2} + 10x  9. DDD

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DDD What are the coordinates of the vertex of the graph of y =  7x^{2} + 3? DDD

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DDD What are the coordinates of the vertex of the graph of y = x^{2}  6x? DDD

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DDD Find the coordinates of the vertex. y =  x^{2} + 2x DDD

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DDD A rocket fired takes a trajectory path described by the function h = 81t  16t^{2} where h is the height (in feet) of the rocket from the ground after a time of t seconds. What will be the height of the rocket after a time of 3 seconds? DDD

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DDD At how many points does the graph of y = 2x^{2} + 8x + 8 intersect the xaxis? DDD

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DDD At how many points does the graph of y = 5x^{2}  x  3 intersect the xaxis? DDD

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DDD At how many points does the graph of y = x^{2}  3x + 21 intersect the xaxis? DDD

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DDD At how many points does the graph of y = 2x^{2}  x + 10 intersect the xaxis? DDD

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DDD Find the coordinates of the vertex of the graph of y =  5x^{2} + 10x  8. DDD

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DDD What are the coordinates of the vertex of the graph of y =  6x^{2} + 7? DDD

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DDD What are the coordinates of the vertex of the graph of y =  6x^{2} + 5? DDD

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DDD Which is the graph of the quadratic function y = x^{2}  3? DDD

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DDD Find the coordinates of the vertex of the graph of y =  4x^{2} + 8x  4. DDD

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DDD Which of the following equations best represents the graph? DDD

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DDD Which of the graphs best suits the quadratic function y = x^{2}  2x + 2? f

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f Which graph best represents the quadratic function y =  x^{2}  2x + 1? f

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f What are the coordinates of the vertex of the graph of y = x^{2}  2x? f

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f Find the coordinates of the vertex. y =  x^{2} + 4x f

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f What is the axis of symmetry of the graph of y = x^{2} + 2x  3? f

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f What is the axis of symmetry for the graph of y =  x^{2} + 2x  1? f

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f What is the axis of symmetry of the graph of y =  x^{2} + 9? f

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f What is the axis of symmetry of the graph of y =  x^{2}? f

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f Which of the following equations represents the graph shown? f

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f Which equation is represented by the graph shown? f

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f Which of the following equations best represents the graph shown? f

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f In what direction does the graph of y = x^{2} open? f

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f In what direction does the graph of y =  x^{2} open? f

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f Which of the following describes the graph of the parabola y = x^{2}  2x + 2? f

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f Does the graph of y =  x^{2} have a highest point or a lowest point? Find its vertex. f

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f Does the graph of y = x^{2} have a highest point or a lowest point? Find its vertex. f

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f Which of the following describes the graph of the parabola, y = 2x^{2}  3? f

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f What is the axis of symmetry of the graph of y = x24? f

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f Does the graph of y =  3x^{2} + 2 has a highest point or lowest point? Find the vertex. f

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f Which of the graphs best suits the quadratic function? y =  x23 + 2 f

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f In which direction does the graph of y =  2(x25) open and tell whether the ycoordinate of the vertex is maximum or minimum? f

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f A rocket fired takes a trajectory path described by the function h = 78t  16t^{2} where h is the height (in feet) of the rocket from the ground after a time of t seconds. What will be the height of the rocket after a time of 3 seconds? f

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f At how many points does the graph of y = x^{2}  9x  22 intersect the xaxis? f

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f At how many points does the graph of y = x^{2} + 4x + 4 intersect the xaxis? f

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f At how many points does the graph of y = 3x^{2} + 4x  10 intersect the xaxis? f

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