Algebra 1A Vocabulary Review

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Across
  1. 4. An ___ consists of sums and/or products of numbers and variables.
  2. 6. Comparison of two numbers by division
  3. 9. The ratio of two measurements having different units of measure
  4. 10. an equation that forms a line when it is graphed
  5. 11. y-y1=m(x-x1)
  6. 12. a rate that tells how many of one item is being compared to 1 of another item
  7. 13. the x-coordinate of the point at which the graph of an equation crosses the x-axis
  8. 16. The set of the first numbers of the ordered pairs in a relation
  9. 18. The set of the second numbers of the ordered pairs in a relation
  10. 21. A function for which the graph is a line
  11. 23. symbols used to represent unknown numbers or values
  12. 24. y=mx+b
Down
  1. 1. relationship between input and output
  2. 2. The y-coordinate of the point at which the graph of an equation crosses the y-axis
  3. 3. An equation stating that two ratios are equal
  4. 5. set of numbers, or coordinates, written in the form (x,y)
  5. 7. Described by an equation of the form y=kx
  6. 8. Ax+By=C
  7. 14. A set of ordered pairs
  8. 15. terms that contain the same variables, with corresponding variables having the same power.
  9. 17. A mathematical sentence that contains an equals sign.
  10. 19. A ___ of an expression may be a number, variable, or product or quotient of numbers and variables.
  11. 20. The ___ of a nonvertical line is the ratio of the change in y-coordinates to the change in x-coordinates
  12. 22. A ratio that describes on average how much one quantity changes with respect to a change in another quantity.