Matrix Algebra 1) Find A + B and A – B 1 2 − 5 A= 4 − 2 3
− 4 2 5 B= − 2 8 1
2) Find 4A + 2B 2 − 5 5 − 2 A= B= − 5 2 2 − 5
3) Find the values of x and y, if any, that will make the matrices equal 4 x + y 3 + x 3 = −2 5 y − 2 10
4) Find the product, if possible − 2 3 2 4 3 − 2 − 5 7
5) Find the product, if possible 1 1 2 3 2 1 1 1 2 1 2 − 3 1 − 2 − 1 − 1 − 1 3
6) #38 page 470
7) #52 page 471
8) Find the inverse of the matrix 2 3 3 5
9) Find the inverse of the matrix 1 0 3 − 1 1 3 − 2 1 1 10) Page 479 #20
11) Page 479 #26
12) Page 479 #36
Practice 6.3 #7, 15, 17, 27, 29, 31, 35, 43, 49, 51, 55 Practice 6.4 #5, 11, 17, 27, 31, 37, 39, 41