Solve the system of equations using matrices (row operations). If the system has no solution, say that it is inconsistent.
A. inconsistent
B. x = -2, y = 4; (-2, 4)
C. x = 4, y = -2; (4, -2)
D. x = -2, y = -4; (-2, -4)
Answer: C
Mathematics
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Multiply.-4(-3)(0)(8)
A. -96 B. 96 C. 0 D. 86
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Simplify the expression. If any variables exist, assume that they are positive and write your answer in radical notation.
? 
A. 
B. ab
C. 
D. ab
Mathematics
Identify the polynomial as a monomial, binomial, trinomial, or none of these.16y4 - 7
A. Monomial B. Binomial C. Trinomial D. None of these
Mathematics
Indicate the property that justifies the statement.-2(xy) + z = (-2x)y + z
A. Associative property of multiplication B. Distributive property C. Associative property of addition D. Commutative property of multiplication
Mathematics