al Home - 8:48 AM @ 27% a webwork2.asu.edu Previous Problem Problem List Next Problem (1 point) True False Problem Enter T or F depending on whether the statement is true or false. (You must enter T or F -- True and False will not work.) 1. If A has dimensions m X n and B has dimensions n X r, then AB has dimensions m Xr. 2. If A has dimensions 5 X 4 and B has dimensions 4 X 3, then the 3rd row, 2nd column entry of AB is obtained by multiplying the 2nd column of A by the 3rd row of B. 3. If A is a square matrix such that AA equals the 0 matrix, then A must equal the 0 matrix. O 4. If AB is defined, then BA is also defined. Note: You can earn partial credit on this problem. Preview My Answers Submit Answers You have attempted this problem 0 times.al Home ~ 8:48 AM @ 27% Done webwork2.asu.edu C Section 1.4 Matrix Alge Problem 5 Previous Problem Problem List Next Problem (1 point) If A = x 2 y determine the values of x and y for which A2 = A. X = = Note: You can earn partial credit on this problem. Preview My Answers Submit Answers You have attempted this problem 0 times. You have unlimited attempts remaining. Email instructoral Home ~ 8:49 AM @ 27% Done a webwork2.asu.edu C Section 1.4 Matrix Alge Problem 6 Previous Problem Problem List Next Problem (1 point) Find a non-zero 2 X 2 matrix such that -4 0 8 Preview My Answers Submit Answers You have attempted this problem 0 times. You have unlimited attempts remaining. Email instructor Page generated at 09/09/2020 at 08:49am MST WeBWork 1996-2019| theme: math4 | ww_version: 2.15. Home 8:49 AM @ 27% a webwork2.asu.edu Section 1.4 Matrix Alge Problem 7 Previous Problem Problem List Next Problem (1 point) Find a non-zero 2 X 2 matrix A such that A2 = Preview My Answers Submit Answers You have attempted this problem 0 times. You have unlimited attempts remaining. Email instructor