8th grade math

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Across
  1. 4. multiplying something by itself twice is the same as _____ it (6)
  2. 5. order of operations acronym (1,1,1,1,1,1)
  3. 8. ____ angle, angle that measures exactly 90 (5)
  4. 10. 3rd letter of (5 across) stands for (14)
  5. 13. square ___, inverse of (1 down) (4)
  6. 14. operation that is repeated (10 across) (9)
  7. 15. The unit that angles are measured in (6)
Down
  1. 1. When you multiply something by itself (6)
  2. 2. Equation containing variables that when plotted on a graph has only one Y value for every X (8)
  3. 3. 2D plane that displays information using X,Y values (5)
  4. 6. An imaginary line of which a body rotates (4)
  5. 7. ________ theorem, equation to find distance between two points (11)
  6. 9. equation for slope is also known as rise over __ (3)
  7. 11. All angles add up to 180 (8)
  8. 12. (Y2-Y1)/(X2-X1) (5)