| A | B |
|---|
| Perfrim the indicated operation: 1st Column: -4 -5 2nd Column: 3 2 plus 1st Column: 1 3 2nd Column: -3 -8 = | 1st Column: (-4) + (1) (-5) + (3) 2nd Column: (3) + (-3) (2) + (-8) = ANSWER: 1st Column: -3 -2 2nd Column: 0 -6 : |
| Perform the indicated operation: 1st Column: 3 -2 2nd Column: 7 1 minus 1st Column: 2 5 2nd Column: -3 -4 = | 1st Column: (3) - (2) (-2) - (5) 2nd Column: (7) - (3) (1) - (-4) = ANSWER: 1st Column: 1 -7 2nd Column: 10 5 |
| Perform the indicated operation: 1st Column: -2 2 4 2nd Column: 6 3 -2 3rd Column: 1 1 -3 plus 1st Column: 1 2 4 2nd Column: 6 -1 2 3rd Column: 5 3 -2 = | 1st Column: (-2) + (1) (2) + (2) (4) + (4) 2nd Column: (6) + (6) (3) + (-1) (-2) + (2) 3rd Column: (1) + (5) (1) + (3) (-3) + (-2) = ANSWER: 1st Column: -1 4 8 2nd Column: 12 2 0 3rd Column: 6 4 -5 |
| Perform the indicated operation: 1st Column: -1 -2 -6 2nd Column: 2 4 0 3rd Column: 3 -3 4 minus 1st Column: -1 -3 4 2nd Column: 0 -6 2 3rd Column: -3 2 -5 = | 1st Column: (-1) - (-1) (-2) - (-3) (-6) - (4) 2nd Column: (2) - (0) (4) - (-6) (0) - (2) 3rd Column: (3) - (-3) (-3) - (2) (4) - (-5) = ANSWER: 1st Column: 0 1 -10 2nd Column: 2 10 -2 3rd Column: 6 -5 9 |
| Perform the indicated operation: 3 times 1st Column: 5 -3 2nd Column: -2 8 3rd Column: 7 4 = | 1st Column: (3)(5) (3)(-3) 2nd Column: (3)(-2) (3)(8) 3rd Column: (3)(7) (3)(4) = ANSWER: 1st Column: 15 -9 2nd Column: -6 24 3rd Column: 21 12 |
| Solve for the variables x and y: 1st Row: 2y - x 2nd Row: x equals 1st Row: 3 2nd Row: 4y - 1 | SOLUTION: x = 4y -1 then by substitution y = -1 and then by further substitution x = -5 ANSWER: x = - 5 and y = - 1 |
| Perform the indicated operation: 1st Column: 3 2 2nd Column: -5 7 times 1st Column: 5 8 2nd Column: 1 -4 3rd Column: -3 9 = | SOLUTION: 1st Row: (3)(5) + (-5)(8) (3)(1) + (-5)(-4) (3)(-3) + (-5)(9) 2ndRow: (2)(5) + (7)(8) (2)(1) +(7)(-4) (2)(-3) + (7)(9) ANSWER: 1st Row: -25 23 -54 2nd Row: 66 -26 57 |
