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The table shows x and y in a linear relationship. How can you tell that x and y are NOT directly proportional?
A x is 0 when y is not 0.
B x is getting farther away from y.
C x and y are moving in different directions.
D x and y are increasing by different amounts.
The correct answer is A: x is 0 when y is not 0.
Explanation: In a directly proportional relationship, if one variable is zero, the other must also be zero. If x is 0 and y is not 0, then x and y cannot be directly proportional, as this violates the core principle of direct proportionality.