In Exercises 23—38, evaluate each determinant.
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COLLEGE ALGEBRA-MYLAB ACCESS
- Evaluate each determinant in Exercises 23-28. 3 0 23. 2 1 2 5 |4 24. 3 2 -3 0 0 -5 -1 4 -1 5 -4 2 0 5 0 4 3 25. -3 26. -1 -1 -5 3 1 1 1 1 2 3 27. 2 2 28. 2 2 -3 -3 4 -5 3 2 1 2. 14arrow_forwardEvaluate each determinant in Exercises 27–32. 27. 13 0 28. 4 3 2 2 1 1 -5 -1 4 2 -1 -3 5 29. 3 1 30. 2 -4 2 -3 4 -1 3. -5 4 1 1 2 3| 31. 2 2 32. -3 -3 4 -5 N 22N 3. लarrow_forwardIn Exercises 27–32, evaluate the determinant of the given matrix by inspection.arrow_forward
- In Exercises 46-51, evaluate each determinant. 3 2 46. 1 -2 47. -4 4 48. 1 -1 49. -5 4 1 2 1 50. 51. 0 1 3. O N 4O 2.arrow_forwardExercises 38–40 will help you prepare for the material covered in the first section of the next chapter. In Exercises 38-39, simplify each algebraic expression. 38. (-9x³ + 7x? - 5x + 3) + (13x + 2r? – &x – 6) 39. (7x3 – 8x? + 9x – 6) – (2x – 6x? – 3x + 9) 40. The figures show the graphs of two functions. y y 201 10- .... -20- flx) = x³ glx) = -0.3x + 4x + 2arrow_forwardCompute the determinants in Exercises 9–14 by cofactor expansions. At each step, choose a row or column that involves the least amount of computation.arrow_forward
- What is the determinant of 1 2 3 4 5 6 ? 7 8. 9.arrow_forwardFor Exercises 19–26, simplify each expression and write the result in standard form, a + bi. 8 + 3i 19. 4 + 5i 20. -4 - 6i 21. 9 - 15i 22. 14 6. -2 -3 -18 + V-48 23. - 20 + V-50 14 - V-98 25. - 10 + V-125 24. 26. 4 10 -7arrow_forwardCompute the determinants in Exercises 1–8 using a cofactor expansion across the first row. In Exercises 1–4, also compute the determinant by a cofactor expansion down the second column. just number 5arrow_forward
- College Algebra (MindTap Course List)AlgebraISBN:9781305652231Author:R. David Gustafson, Jeff HughesPublisher:Cengage LearningAlgebra & Trigonometry with Analytic GeometryAlgebraISBN:9781133382119Author:SwokowskiPublisher:Cengage