Algebra Crossword Puzzle

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Across
  1. 3. maximum or minimum point on a parabola
  2. 6. a letter that represents an unknown number
  3. 8. measures the steepness of a line, or the change of y over the change of x
  4. 11. set of ordered pairs that makes an equation true
  5. 13. the set of all possible output values, often the y variable or f(x)
  6. 14. is used to simplify algebraic expressions, and combine liked terms.
  7. 15. the point at which a parabola is at its lowest point
Down
  1. 1. two lines with the same slope
  2. 2. tells how many times to multiply the base by itself
  3. 4. point at which the line crosses the y-axis
  4. 5. a number or algebraic expression that divides another number or expression evenly, with no remainder.
  5. 7. where a function equals zero typically on the x-intercept
  6. 9. a relation between a set of inputs having one output each.
  7. 10. the set of all possible input values, often the x variable
  8. 12. the point at which a parabola is at its highest point