Algebra #4

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Across
  1. 2. Another name for the Y axis.
  2. 4. How fast something gets bigger or smaller.
  3. 7. Another name for the X axis.
  4. 9. When two things increase or decrease at the same steady rate.
Down
  1. 1. To replace a letter with a number in a maths sentence.
  2. 3. The line that goes across on a graph (left to right).
  3. 5. To write a maths expression in a longer way.
  4. 6. The line that goes up and down on a graph.
  5. 8. The space made by the X and Y axes on a graph.