Graphing and Writing Equations

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Across
  1. 3. the point in which a line crosses the x axis,(x,0)
  2. 6. y = mx + b
  3. 8. its equation is x = constant
  4. 9. the sign of the A in the form Ax + By = C
  5. 10. Ax + By = C
  6. 12. a number
  7. 13. a quantity that changes; it is represented by a letter
Down
  1. 1. the slope of vertical lines
  2. 2. the slope of horizontal lines
  3. 4. y - y = m(x - x)
  4. 5. its equation is y = constant
  5. 7. the point in which a line crosses the y axis, b, beginning value, (0, y)
  6. 10. rate of change, rise/run
  7. 11. these must be eliminated to create an equation in the form Ax + By = C