Evaluating Variables In Equations
If x = 1 and y = 2, which of the following statements must be true given that z = xy?
A
If z = xy, then z = 3.
B
If z = xy, then z = 2.
C
If z = xy, then x = 1.
D
If x = 1 and y = 2, then x = zy.
E
If z = xy, then x = 2.
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