Review crossword#1

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Across
  1. 1. -----variation An equation of the form y = kx
  2. 5. The horizontal number line on a coordinate plane
  3. 6. -----pair A pair of numbers used to locate a point in the coordinate plane
  4. 7. A ratio that compares a number to 100
  5. 9. -----rate A rate with a denominator of 1
Down
  1. 2. -----fraction A fraction that has one or more fractions in the numerator or denominator
  2. 3. One of four regions into which the x- and y-axes separate the coordinate plane
  3. 4. The ratio of rise to run
  4. 8. -----of change The change in a quantity over time