Mathematical Vocabulary: Algebra and Operations.

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Across
  1. 2. Letter or symbol that represents an unknown value in an equation or expression.
  2. 4. Fixed value that does not change in an expression or equation.
  3. 6. value: Magnitude of a number without taking into account its sign.
  4. 9. Algebraic expression consisting of several terms, added or subtracted.
  5. 12. Coefficient of the variable in the equation of a straight line; indicates its inclination.
  6. 13. Mathematical equality between two expressions that contain variables.
  7. 14. Branch of mathematics that studies operations with numbers.
Down
  1. 1. Point where two straight lines or curves intersect.
  2. 3. Combination of numbers, variables and mathematical operators without an equal sign.
  3. 5. Each of the components of a mathematical expression.
  4. 7. Number that multiplies a variable in an algebraic term.
  5. 8. Set of equations or inequalities that are solved simultaneously.
  6. 10. difference: In an arithmetic progression, it is the constant that is added to each term to obtain the next.
  7. 11. Relative to algebra, involving numbers and letters.