Algebra crossword

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Across
  1. 3. An equation that can be graphed as a straight line
  2. 4. Another word for square root
  3. 6. The grouping symbol that consists of a pair of curved lines
  4. 12. y=mx+b
  5. 16. An angle that is exactly 90 degrees
  6. 17. Two angles that add to 90 degrees
  7. 20. An angle that is less than 90 degrees
  8. 22. Two or more equations in a set
  9. 23. The vertical axis on a coordinate plane
  10. 24. Two expressions that are not equal to one another
  11. 25. Visually representing a equation
Down
  1. 1. The vertical axis on a coordinate plane
  2. 2. A quadrilateral with two pairs of parallel lines
  3. 5. Something you have to satisfy in order for the solution to be true
  4. 7. Two angles that add to 180 degrees
  5. 8. Rise over run
  6. 9. A chord that runs straight through the middle of the circle
  7. 10. Two expressions that are equal to each other
  8. 11. A letter or symbol that represents an unknown quantity
  9. 13. An angle that is more than 90 degrees
  10. 14. The little number that indicates the number of times you need to multiply the base by itself
  11. 15. Half of the diameter
  12. 18. When the y value has a direct ratio
  13. 19. A process of solving a system of equations where you line up the equations and then add/subtract them to cancel out term(s)
  14. 21. A process of solving a system of equations where you substitute one term for another