Math Terms and Vocabulary!

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Across
  1. 4. x is a common _______ to use to symbolize an unknown
  2. 5. a plane figure that has at least 3 sides and angles,and is closed
  3. 7. the ratio of the circumfrence of a circle to its diameter
  4. 9. The sum is the answer when using
  5. 10. uses either a dot or an x as the symbol
  6. 11. 4 sided polygon with the same length of each side
  7. 12. the number above the fraction
Down
  1. 1. the number below the fraction
  2. 2. the process of splitting a number into x amount of groups
  3. 3. what is y2 - y1/x2 - x1?
  4. 6. 3 sided polygon with 3 angles
  5. 8. what does b symbolize in y=mx+b