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Jeopardy – Ch7

Jeopardy – Ch7. Solving Quadratics. Roots and Vertices. Quadratic Formula. Hodge- Podge. Forms. Q $100. Q $100. Q $100. Q $100. Q $100. Q $200. Q $200. Q $200. Q $200. Q $200. Q $300. Q $300. Q $300. Q $300. Q $300. Q $400. Q $400. Q $400. Q $400. Q $400. Q $500.

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Jeopardy – Ch7

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  1. Jeopardy – Ch7 Solving Quadratics Roots and Vertices Quadratic Formula Hodge- Podge Forms Q $100 Q $100 Q $100 Q $100 Q $100 Q $200 Q $200 Q $200 Q $200 Q $200 Q $300 Q $300 Q $300 Q $300 Q $300 Q $400 Q $400 Q $400 Q $400 Q $400 Q $500 Q $500 Q $500 Q $500 Q $500 Final Jeopardy

  2. $100 Question from SolvingQuadratics Solve the quadratic: Jeopardy

  3. $100 Answer from SolvingQuadratics Jeopardy

  4. $200 Question from SolvingQuadratics Solve: Jeopardy

  5. $200 Answer from SolvingQuadratics Jeopardy

  6. $300 Question from SolvingQuadratics A baseball is thrown from the top of a very tall building at an initial velocity of 32 ft/sed. The ball’s height, in meters, t seconds after it has been released is . When does the ball return to the ground? When does the ball reach its maximum height ? Jeopardy

  7. $300 Answer from SolvingQuadratics H(t)=-16(t-3)(t+1) H(t)=0 when t = 3 sec. T=-b/2a=32/32 = 1sec highest height Jeopardy

  8. $400 Question from SolvingQuadratics Solve the Quadratic Equation: Jeopardy

  9. $400 Answer from SolvingQuadratics Jeopardy

  10. $500 Question from SolvingQuadratics solve the quadratic equation Jeopardy

  11. $500 Answer from SolvingQuadratics Let u=x2-3 2u2-3u+1+0 (2u-1)(u-1)=0 2(x2-3)-1=0 or x2-3-1=0 2x2=7 or x2=4 Jeopardy

  12. $100 Question from Roots andVertices How many real root does the following equation have? Jeopardy

  13. $100 Answer from Roots andVertices B2-4ac=25-4(2)(-8)=25+64=89 2 real irrational roots Jeopardy

  14. $200 Question from Roots andVertices find the roots of the quadratic equation: Jeopardy

  15. $200 Answer from Roots andVertices X=-3, -6 Jeopardy

  16. $300 Question from Roots andVertices Use your graphing calculator The height of a golf ball is given by At what time does the ball reach its highest height? Jeopardy

  17. $300 Answer from Roots andVertices T=-b/2a=-48/-32=3/2 Jeopardy

  18. $400 Question from Roots andVertices Find the roots of the quadratic equation: Jeopardy

  19. $400 Answer from Roots andVertices Jeopardy

  20. $500 Question from Roots andVertices Find the vertex and x intercepts and y intercept of y=x2-2x-3 Jeopardy

  21. $500 Answer from Roots andVertices (3,0) (-1,0) (0,-3) Vertex (1,-4) Jeopardy

  22. $100 Question from Forms Find the vertex y-3=2(x+1)2: Jeopardy

  23. $100 Answer from Forms (-1,3) Jeopardy

  24. $200 Question from Forms Find the vertex and x and y intercepts: Jeopardy

  25. $200 Answer from Forms Vertex (-5,4) No x intercepts (0,29) Jeopardy

  26. $300 Question from Forms Write the equation the parabola at the right with a vertex at (2,3) in vertex form. Jeopardy

  27. $300 Answer from Forms Jeopardy

  28. $400 Question from Forms Find the vertex and x intercepts and graph. Jeopardy

  29. $400 Answer from Forms Y=(x-3)(x-1) (3,0) (1,0) Vertex (2,-1) Jeopardy

  30. $500 Question from Forms Find the maximum area of a rectangle if the perimeter is 40 feet. Jeopardy

  31. $500 Answer from Forms A=lw=l(20-l) P=2l+2w=40. A=l(20-l) Max occurs when l=10 and w =10 Area =100 Jeopardy

  32. $100 Question from QuadraticFormula Describe the roots of 2x2+x+8=0 Jeopardy

  33. $100 Answer from QuadraticFormula If D=B2-4ac = 1-4(2)(8)= 1-64=-63 2 imaginary conjugate roots Jeopardy

  34. $200 Question from QuadraticFormula Find k so that the equation has 1 solution . Jeopardy

  35. $200 Answer from QuadraticFormula B2-4ac=(-5)2-4(2k)(-3)=0 24k=-25 k=-25/24 Jeopardy

  36. $300 Question from QuadraticFormula Use the quadratic formula to find the roots for Jeopardy

  37. $300 Answer from QuadraticFormula (x-3)*(x-2)=0 X=3,2 Jeopardy

  38. $400 Question from QuadraticFormula The sum of 2 numbers is 5 and their product is 3. Find the numbers Jeopardy

  39. $400 Answer from QuadraticFormula Jeopardy

  40. $500 Question from QuadraticFormula Solve 2ix2-ix +3i=0 Jeopardy

  41. $500 Answer from QuadraticFormula Jeopardy

  42. $100 Question from Hodge- Podge Solve this quadratic equation: Jeopardy

  43. $100 Answer from Hodge- Podge Jeopardy

  44. $200 Question from Hodge- Podge The roots of an equation are 2+i and 2 – i . Find the equations Jeopardy

  45. $200 Answer from Hodge- Podge Sum = 4 Product=4-i2=5 Equation x2-4x+5=0 Jeopardy

  46. $300 Question from Hodge- Podge Write a quadratic function that has x-intercepts of x = 4 and x = -2. max value of 3 Jeopardy

  47. $300 Answer from Hodge- Podge Y=a(x-4)(x+2) Vertex will occur halfway between intercepts at x=1 y max value is 3 3=a(1-4)(1+2) 3=-9a A =-1/3 Jeopardy

  48. $400 Question from Hodge- Podge Simplify Jeopardy

  49. $400 Answer from Hodge- Podge Jeopardy

  50. $500 Question from Hodge- Podge Find the coordinates for the vertex for the parabola that has the equation Jeopardy

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