Solve the system of equations.4x1 - x2+ 3x3 = 122x1 + 9x3 = -5 x1 + 4x2 + 6x3 = -32
A. (2, 7, -1)
B. (2, 7, 1)
C. (2, -7, -1)
D. (2, -7, 1)
Answer: C
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Use the product rule to simplify the expression. Assume that the variables can be any real number.
A. 5
B. 125x
C.
5  ? |
D. 5x2
Simplify the expression. If any variables exist, assume that they are positive.2
- 
A. (2x -1)
B. 2x
- 1
C. (x -1)
D. 2(x -1)
Provide an appropriate response.Which of the following properties do not hold for matrix multiplication?(i)Associative property(ii)Commutative property(iii)Distributive property(iv)Zero-factor property (If the product of two matrices is a zero matrix, one of the factors must be a zero matrix.)
A. (i), (iii) B. (ii) only C. (ii), (iv) D. None (All of the listed properties hold.)
Solve using the elimination method. Use a graphing calculator to check your answer.-3x + 3y = -27-6x = -29 - 6y
A. (2, 4) B. (7, -2) C. (7, 4) D. No solution