Which table represents a linear function?
1 answer:
Answer:
see below (upper left)
Step-by-step explanation:
When the x-values are sequential, a linear function will have y-values that differ by the same amount.
The upper left table has y-values that differ by -2.
The upper right table has y-values that differ by 2, -6, 2. These values are not the same.
The lower left table has y-values that differ by -1, 5, -13. These values are not the same.
The lower right table has y-values that differ by 1, 3, 5. These values are not the same.*
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The upper left table represents a linear function.
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* The <em>2nd</em> differences are a constant 2, so this table represents a <em>2nd</em>-degree polynomial.
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