Problem 84 of 7
Use constant rate to find the missing value in points (1,-5), (3,-11), (?,-20).
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extend or interpolate linearly.
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Known values must determine one constant rate and one missing table entry.
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Solution
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1. Find the constant rate from known points.
2. Count the input change from a known row to the missing row.
3. Apply rate times input change to find the missing value.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Assuming input steps are one unless stated.