Subtraction of Matrices

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Questions

• What is matrix subtraction?
• How do I do matrix subtraction?
• How do I do matrix subtraction in Excel?
• What are common mistakes students make with subtracting a matrix?
• Is matrix subtraction commutative?
• Can a #2xx2# matrix be subtracted from a #3xx3# matrix?
• If #A=((-3, x),(2y, 0))# and #B=((4, 6),(-3, 1))#, what is #A-B#?
• How do you simplify #[(3,7), (-2,1)]-[(2,5),(-3,-4)]#?
• How do you simplify #[(-5,7),(6,8)]-[(4,0,-2),(9,0,1)]#?
• How do you simplify #[(12,0,8),(9,15,-11)]-[(-3,0,4),(9,2,-6)]#?
• How do you simplify #8[(0.25,0.5),(0.75,1.5)]-2[(0.25,0.5), (0.75,1.5)]#?
• How do you simplify #1/2[(4,6),(3,0)]-2/3[(9,27),(0,3)]#?
• Given the matrices #A=[(5,7),(-1,6), (3,-9)], B=[(8,3), (5,1), (4,4)], C=[(0,4),(-2,5), (7,-1)], D[(6,2), (9,0), (-3,0)]#, how do you find D-B?
• How do you find Z-Y given #X=[(4,1), (-2,6)]# and #Y=[(0,-3)]# and #Z=[(-1,3), (0,-2)]#?
• How do you find Z-X given #X=[(4,1), (-2,6)]# and #Y=[(0,-3)]# and #Z=[(-1,3), (0,-2)]#?
• Find #3((2,5,7),(-5,6,-2),(1,8,3))-((1,3,2),(-5,-3,0),(4,4,5))#?