AlgebraVery hardSlope from a general pair of points
Algebra practice question
The graph of a linear function passes through the point (2, 5) and, for every positive value of h, through the point (2 + h, 5 + 3h). What is the slope of the graph?
Answer: 3
Between (2, 5) and (2 + h, 5 + 3h) the rise is 3h and the run is h, so the slope is 3h/h = 3.
Common wrong answers
- If you answered 2
- 2 is the x-coordinate of the first point.
- If you answered 5
- 5 is the y-coordinate of the first point.
- If you answered 1/3
- 1/3 is run over rise.
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