Math crossword

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Across
  1. 6. a combination of a real number and an imaginary number
  2. 10. the product of a real number and a matrix.
  3. 11. the opposite
  4. 12. the process used to eliminate a radical or imaginary number from the denominator of an algebraic fraction
Down
  1. 1. a rectangular array or table of numbers, symbols, or expressions, with elements or entries arranged in rows and columns, which is used to represent a mathematical object or property of such an object
  2. 2. the bottom number in a fraction
  3. 3. a specific formula used for solving a system of linear equations containing as many equations as unknowns, efficient whenever the system of equations has a unique solution
  4. 4. a relationship between two expressions or values that are not equal to each other
  5. 5. to solve systems of equations by eliminating a variable and determining the value of the variable to find the solution
  6. 7. a mathematical structure that represents a particular function by connecting a set of points
  7. 8. a scalar-valued function of the entries of a square matrix.
  8. 9. an equation in which the highest power of the variable is always 1