math extra credit

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Across
  1. 3. a math expression that both sides are not equal
  2. 5. a type of mathematics that uses letter or variables
  3. 6. tells us how steep a line is
  4. 10. an equation that states that two ratios are equal to each other
  5. 11. a relationship between sets of values
  6. 14. a term that has the same variable raised to the same power
  7. 15. two lines that intersect and are always the same distance apart
  8. 16. expresses a numeric value or number
  9. 18. is used to represent the portion of the whole thing
  10. 19. when you multiply a number by the sum
  11. 20. a relation between a set of inputs having one output each
Down
  1. 1. a non-negative value of x without regard to its sign
  2. 2. a term that is used to compare two or more numbers
  3. 4. a sentence with a minimum of two numbers and variables
  4. 7. two lines that intersect at a 90 degree angle
  5. 8. a number that is not a fraction or a whole number
  6. 9. the percentage change of value over a defined period of time
  7. 12. representing numbers or equations in a constituent format
  8. 13. a statement that shows two expressions are equal to eachother
  9. 17. a function that represents a straight line on the coordinate plane