Chapter 5- Proportions

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Across
  1. 1. Two numbers whose product is 1 (like 2/3 and 3/2); helpful when dividing fractions in ratios
  2. 5. PAIR A set of coordinates (x, y)
  3. 7. A letter used to represent an unknown number in an equation
  4. 9. A tool used to organize and find multiple equivalent ratios
  5. 10. The "butterfly" method of multiplying diagonals to solve for a variable
  6. 14. The point (0,0) on a coordinate plane
  7. 15. A special ratio that compares a number to 100
  8. 17. ratio that compares the dimensions of a model to object
Down
  1. 2. Ratios that represent the same value
  2. 3. A mathematical statement that two ratios are equal
  3. 4. A rate that compares a quantity to exactly one of another unit
  4. 6. A comparison of two numbers using division
  5. 8. A relationship that forms a straight line when graphed
  6. 11. A ratio that compares two quantities with different units
  7. 12. The "steepness" of a line on a graph
  8. 13. To reduce a ratio to its lowest terms
  9. 16. In the equation y = kx, the value k is the ______ of proportionality