ACT Math Vocabulary

12345678910111213141516171819202122232425
Across
  1. 1. Rise over run; rate of change of a line
  2. 4. A number that divides evenly into another
  3. 5. The arithmetic average of a data set
  4. 7. Middle value in an ordered data set
  5. 10. the turning point of a parabola
  6. 12. Trig ratio equal to opposite over adjacent; also touches a circle
  7. 13. Rectangular array of numbers arranged in rows and columns
  8. 15. In a right triangle: opposite over hypotenuse
  9. 17. Comparison of two quantities by division
  10. 18. The set of all possible input (x) values of a function
  11. 20. A number that cannot be written as a simple fraction (e.g. π, √2)
  12. 24. Unit for measuring angles; also polynomial's highest exponent
  13. 25. Lines in the same plane that never intersect
Down
  1. 2. The power to which a base is raised
  2. 3. Symbol used to denote a root, e.g. √
  3. 6. Part of a line with two endpoints
  4. 8. A relation where each input has exactly one output
  5. 9. number with exactly two factors: 1 and itself
  6. 11. The multiplicative inverse of a number (flip the fraction)
  7. 14. whole number, positive, negative, or zero
  8. 16. In a right triangle: adjacent over hypotenuse
  9. 17. Set of all output values of a function; also data spread
  10. 19. The most frequently occurring value in a data set
  11. 21. What's left over after division
  12. 22. A proven mathematical statement (e.g. Pythagorean ___)
  13. 23. The point (0, 0) on a coordinate plane