Evaluate the determinant. 6 6 - 3 4 6 - 2 Evaluate the determinant. - 4 - 3 4 5 6 -1 -2 6 4 0 0 2 4 5 7 1 Solve the equation for x. | 2x - 5 3 2 4 0 -5 5 = 90 The solution set is { }
Evaluate the determinant. -1 -5 0 5 -1 0 0 -3 - 7 -6 1 3 4 0 0 2 The value of the determinant is T.
1 2 3 4. (10 pts) Evaluate the determinant of 2 5 3 by (a) cofactor expansion about 1 0 8 column 1 and (b) cofactor expansion about row 3.
c. Evaluate the following determinants: (5 pts) 2 x 2 1. 1 -4 91 | 5 - 121 3x3 (5 pts) 2. 1-4 2 3 14 -5 41= 1-12 8 91
1. Evaluate the following determinants: 8 7 3 4 0 2 (a) 4 0 1 (c) 6 0 3 6 03 8 2 3 ab (e) b c с a b 1 1 1 2 3 (b) 4 7 5 3 6 9 4 -2 (d) 8 11 4 х (f) 3 9 5 0 y 2 -18 7
(1 point) Compute the determinant of the matrix -1 -2 -4 -6 -7 -7 7 7 A= 0 0 0 0 -4 -5 7 det(A) (1 point) Find the determinant of the matrix 6 A- 6 -9 -7 det(A) (1 point) Find the determinant of the matrix 2 2 -2 B= 1 -1 2 3 -2 det (B)
1-4 8. Find the value of the determinant -5 2 3 -
11. Evaluate each of the following expressions: a. 4*3/6-4+ Math.pow(7,2) b. (3+4)*7-3 c. 9*2/4+5%3+3 d. 55 55
Evaluate the determinant of the given matrix. Answer should be 16. Please show work. 12 3 4 35. 2 3 6 7 1 5 8 20
Job Seeker (k) 1 2 3 4 5 5 6 7 8 9 10 11 12 13 14 15 Interviews (Xi) 3 5 114 6 7 6 3 Job Offers (Y) 0 2 1 2 2 4. 3 5 1 4 6 100 7 4 8 1 1 8 4 2 (1) (2 points) Your friend Paul, who took Econ 140A last year, says that you should run a hypothesis test to evaluate Cathy's statement. If the null hypothesis is...