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Grade 9 Math · Problem type
Linear or exponential?
Use this for “Which model fits: does it add the same amount or multiply by the same factor each step?”
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Does it add the same amount or multiply by the same factor each step?
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Assumptions
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Over equal steps a linear function adds the same amount; an exponential one multiplies by the same factor.
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In a table, look at the differences first, then the ratios.
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A percent change each step is a multiplication, so it is exponential.
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