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Alg 2 - Chapter 4 Jeopardy

Alg 2 - Chapter 4 Jeopardy. 10 points. 10 points - Answer. 20 points. Perform the indicated operation. 20 points - Answer. Perform the indicated operation. 30 points. Perform the indicated operation. 30 points - Answer. Perform the indicated operation. 40 points.

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Alg 2 - Chapter 4 Jeopardy

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  1. Alg 2 - Chapter 4 Jeopardy

  2. 10 points

  3. 10 points - Answer

  4. 20 points Perform the indicated operation.

  5. 20 points - Answer Perform the indicated operation.

  6. 30 points Perform the indicated operation.

  7. 30 points - Answer Perform the indicated operation.

  8. 40 points Solve the matrix equation for x and y.

  9. 40 points - Answer Solve the matrix equation for x and y.

  10. 50 points Solve the matrix equation for x and y.

  11. 50 points - Answer Solve the matrix equation for x and y.

  12. 10 points

  13. 10 points - Answer

  14. 20 points Perform the indicated operation.

  15. 20 points - Answer Perform the indicated operation.

  16. 30 points Perform the indicated operation.

  17. 30 points - Answer Perform the indicated operation.

  18. 40 points Perform the indicated operation.

  19. 40 points - Answer Perform the indicated operation.

  20. 50 points Perform the indicated operation.

  21. 50 points - Answer Perform the indicated operation.

  22. 10 points NO CALCULATOR!

  23. 10 points - Answer NO CALCULATOR!

  24. 20 points NO CALCULATOR! Evaluate the determinant of the matrix.

  25. 20 points - Answer NO CALCULATOR! Evaluate the determinant of the matrix.

  26. 30 points NO CALCULATOR! Evaluate the determinant of the matrix.

  27. 30 points - Answer NO CALCULATOR! Evaluate the determinant of the matrix.

  28. 40 points NO CALCULATOR! Find the area of the triangle with the given vertices.

  29. 40 points - Answer NO CALCULATOR! Find the area of the triangle with the given vertices.

  30. 50 points You MAY use a CALCULATOR! Use Cramer's rule to solve the linear system. Show what you are entering in your calculator.

  31. 50 points - Answer You MAY use a CALCULATOR! Use Cramer's rule to solve the linear system. Show what you are entering in your calculator.

  32. 10 points Write the identity 3x3 matrix

  33. 10 points - Answer Write the identity 3x3 matrix

  34. 20 points NO CALCULATOR!

  35. 20 points - Answer

  36. 30 points NO CALCULATOR! Find the inverse of the matrix. SHOW WORK!

  37. 30 points - Answer NO CALCULATOR! Find the inverse of the matrix. SHOW WORK!

  38. 40 points NO CALCULATOR! Find the inverse of the matrix. SHOW WORK!

  39. 40 points - Answer NO CALCULATOR! Find the inverse of the matrix. SHOW WORK!

  40. 50 points NO CALCULATOR! Find the inverse of the matrix. SHOW WORK!

  41. 50 points - Answer NO CALCULATOR! Find the inverse of the matrix. SHOW WORK!

  42. 10 points You MAY use a CALCULATOR! Solve the matrix equation. Show what you are entering in your calculator.

  43. 10 points - Answer You MAY use a CALCULATOR! Solve the matrix equation.Show what you are entering in your calculator.

  44. 20 points You MAY use a CALCULATOR! Use an inverse matrix to solve the linear system. 3x – 7y = -16 -2x + 4y = 8

  45. 20 points - Answer You MAY use a CALCULATOR! Use an inverse matrix to solve the linear system 3x – 7y = -16 -2x + 4y = 8

  46. 30 points You MAY use a CALCULATOR! Use an inverse matrix to solve the linear system. 2x + 3y = -8 x + 2y = -3

  47. 30 points - Answer You MAY use a CALCULATOR! Use an inverse matrix to solve the linear system. 2x + 3y = -8 x + 2y = -3

  48. 40 points Skating Party - Your planning a birthday party for your younger brother at a skating rink. The cost of admission is $3.50 per adult and $2.25 per child, and there is a limit of 20 people. You have $50 to spend. Use an inverse matrix to determine how many adults and how many children you can invite.

  49. 40 points - Answer Skating Party - Your planning a birthday party for your younger brother at a skating rink. The cost of admission is $3.50 per adult and $2.25 per child, and there is a limit of 20 people. You have $50 to spend. Use an inverse matrix to determine how many adults and how many children you can invite.

  50. 50 points Stock Investment – You have $9000 to invest in three Internet companies listed on the stock market. You expect the annual returns for companies A, B, and C to be 10%, 9%, and 6%, respectively. You want the combined investment in companies B and C to be twice that of company A. How much should you invest in each company to obtain an average return of 8%?

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