Algebra Superpower

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Across
  1. 2. ______ circle, used to graph < (less than) and > (greater than)
  2. 6. An equation with two or more variables.
  3. 7. number's distance from zero on a number line.
  4. 11. Solve the equation −2x−6y=18 for the variable y
Down
  1. 1. All values that make an inequality true
  2. 3. To find it, you "flip" the fraction.
  3. 4. Mathematical sentences that uses <, >, ≤, or ≥ to compare two expressions
  4. 5. It means greater than or equal to.
  5. 7. The reverse operation of subtraction
  6. 8. A number y increased by 10.
  7. 9. A freight train is traveling at a constant speed of 68 miles per hour. How many miles will the train travel in 4.5 hours?
  8. 10. 8 less than a number x.