module 3 vocabulary

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Across
  1. 3. when their measures add to 90 degrees
  2. 5. An angle is formed when two lines intersect each other
  3. 8. consists of numbers and arithmetic
  4. 10. an angle that is equal to 180 degrees
  5. 14. expressions that work the same even though they look different.
  6. 16. generally a mapping or function that acts on
  7. 17. formed when two lines intersect each other at a single point
  8. 18. a number that divides another number, leaving no remainder
  9. 19. the set of values that satisfy a given set of equations or inequalities
  10. 20. a mathematical sentence made up of numbers and symbols
Down
  1. 1. used to indicate that a particular collection of numbers and meaningful operations are to be grouped together and considered as one number.
  2. 2. those angles that sum up to 180 degrees
  3. 4. when they share the common vertex and side.
  4. 6. of a space to produce elements of another space
  5. 7. A symbol for a value we don't know yet
  6. 9. the sum of angles that can be arranged together so that they form a full turn
  7. 11. either of a pair of angles that have the same vertex and are on opposite sides of two intersecting straight lines.
  8. 12. a relationship between two expressions or values that are not equal to each other
  9. 13. either a single number or variable or numbers and variables multiplied together
  10. 15. the terms that contain the same variable which is raised to the same power.
  11. 21. a mathematical statement that shows that two mathematical expressions are equal.