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Reading a graph, step by step

These graphs have no scale on them, and that is the question.

Practice Practice sheetNew questions
The question
TimeHeight of the plantincreasing, then staying the samestaying the same, then decreasingstaying the same, then increasingincreasing

Which one describes the graph?

Up, down or level

start at the left→follow the line
1. stays level2. climbs
staying the same, then increasing
  1. There are no numbers on the axes, so there is nothing to read off — the shape is the whole answer. Put a finger at the left end of the line.
  2. Trace it across and count the pieces where it changes: there are 2. The line stays level, then climbs.
  3. "stays level" is what staying the same means, so this graph is staying the same, then increasing.

How it works.

  1. 01

    There are no numbers on the axes, so there is nothing to read off — the shape is the whole answer. Put a finger at the left end of the line.

  2. 02

    Trace it across and count the pieces where it changes: there are 2. The line stays level, then climbs.

  3. 03

    "stays level" is what staying the same means, so this graph is staying the same, then increasing.

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