AlgebraEasyRise of a line for one step in x
Algebra practice question
In the xy-plane, a line passes through the points (0, 3) and (1, 5). By how much does y increase when x increases by 1?
Answer: 2
From x = 0 to x = 1, y goes from 3 to 5: an increase of 2.
Common wrong answers
- If you answered 3
- 3 is the y-value at x = 0.
- If you answered 5
- 5 is the y-value at x = 1.
- If you answered 8
- 8 adds the two y-values.
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