AlgebraHardValue at zero from a table of a linear function
Algebra practice question
The table gives values of a linear function f: f(2) = 11, f(5) = 20, and f(8) = 29. What is the value of f(0)?
Answer: 5
f rises by 9 for every 3 units of x, so the slope is 3, and f(0) = 11 − 3(2) = 5.
Common wrong answers
- If you answered 2
- 2 is the first input in the table.
- If you answered 3
- 3 is the slope.
- If you answered 11
- 11 is f(2).
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