Posted by **QP** on Wednesday, September 15, 2010 at 10:11pm.

find each sum,difference,or product. If the sum or difference does not exist, write impossible.

if A=[5 2 -7 B=[2 9 -3 C=[-4 2 D=[37 22

-1 0 13 12 4 7 9 7 -5 12

3 8 6] -6 -2 5] 15 33] 11 0]

1.A+B 2.B+C 3.C+D 4.D-B 5.A-B 6.D-C

7.2D 8.4B 9.-3A 10.3C

- algebra1 -
**PsyDAG**, Thursday, September 16, 2010 at 1:19pm
Your notation is unclear. Please clarify.

For example, does A = 52-7, 5(2-7) or 5^2-7?

Online, "^" is used to indicate an exponent, e.g., x^2 = x squared.

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