Math 8 vocabulary N2

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Across
  1. 4. the value of the output when the input is 0, or the y-intercept of the graph of a line.
  2. 7. terms with the same variable factors in a variable expression
  3. 8. The point where a line crosses the y-axis; the value of x = 0
  4. 10. y = mx + b, where m is the slope of the line and b is the y-intercept
  5. 11. a pair of numbers where order is important
  6. 14. The point where a line crosses the x-axis; the value of y=0
  7. 16. the slope of a line
  8. 18. an equation that is true for every value of the variable
Down
  1. 1. an equation that there is no value of the variable that makes the equation true
  2. 2. a function with a graph that is a line
  3. 3. operations that undo one another
  4. 5. a symbol usually a letter that represents one or more numbers
  5. 6. The ratio of its vertical change in the coordinate plane to the corresponding horizontal change; rise over run; steepness of a line
  6. 9. a term that has no variable factor
  7. 12. a period of time between two points of time or events
  8. 13. a relationship in which each input, or x-value, has exactly one output, or y-value.
  9. 15. a function whose graph is not a straight line.
  10. 17. the numerical factor when a term has a variable