2. Algebra 2 GOAL: To review concepts related to Chapter 4: Sections 1-3.

3. This is JEOPARDY!!! No calculators except for Calc category. Each person must hand in an answer sheet at the end of class.

4. Final Jeopardy Question 4.1 The Basics 4.2 Matrix Multiplication 500 Calculator Problems 4.3 Inverses & Determinants Potpourri 100 200 300 400 500 400 300 200 100

5. Back Sing the first 4 lines of ‘Bear Down Chicago Bears’

6. Back Solve for x and y.

7. Back and A is a 3 x 4 matrix, what are the dimensions of B? If AB =

8. Back A = B = C = Identify the entry at each location: b 22 a 12 c 23

9. Back Give the dimensions of each matrix. A = B = C =

10. Back Find the product, if it exists.

11. Back Find the product, if it exists.

12. Back Find the product, if it exists.

13. Back Find the product, if it exists.

14. Back Find the product, if it exists.

15. Back Matrix M is a 6 x 6 matrix with a non-zero determinant. M -1 M =

16. Back Find the inverse matrix, if it exists. If the matrix does not exist, write no inverse.

17. Back Find the determinant, and state whether the matrix has an inverse.

18. Back Find the determinant, and state whether the matrix has an inverse.

19. Back Determine whether the pair of matrices are inverses of each other Show work.

20. Back Use your calculator to find the inverse of M. M =

21. Back Use your calculator to find the product.

22. Back Use your calculator to find the determinant of M. M =

23. Back Use your calculator to find (AB)C. A =B =C =

24. Back Use your calculator to find 5(A – B) + 2C. A =B =C =

25. Back Simplify the expression, writing your answer with positive exponents only.

26. Back Which property is illustrated by 4x + 13y = 13y+ 4x

27. Back Find the value

28. Back What is the x – intercept of -3x =4y + 9

29. Back Find the slope of every line perpendicular to the line y = –4x + 8

30. Back Who won the Bears/Redskins game Thursday Dec. 6? What was the final score?