Ch1. Crossword puzzle / is a space

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Across
  1. 1. the level of detail of the measurement
  2. 3. an equation stating that two ratios are equivalent
  3. 4. a statement that two expressions are equal
  4. 7. which is a value that makes the equation true
  5. 11. mathematical sentence that compares expressions
  6. 12. an equation that contains an absolute value expression
  7. 14. equations that have the same solution
  8. 15. An equation that is true for all values of the variable
Down
  1. 2. an apparent solution
  2. 5. how close a measured value is to the actual value
  3. 6. one variable is related to one or more other variables
  4. 8. An equation that has two or more variables
  5. 9. a ratio of two quantities using different units
  6. 10. a comparison of two quantities
  7. 13. equation written in the form ax+b=0