Algebra 2 puzzle

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Across
  1. 4. a monomial or a sum of monomials
  2. 5. a fraction that has a fraction in its numerator or denominator or both
  3. 6. An equation of the form B^cx=a where the exponent includes a variable
  4. 7. an aid to help expanding binomials
  5. 9. when 0<b<1 b is a _____
  6. 10. the smallest common multiple of two integers
  7. 12. a quantity representing the power to which a fixed number must be raised to produce a given number
  8. 14. combinations of real and imaginary numbers
  9. 15. the number a is only a root of a polynomial if (x-a) is a factor
Down
  1. 1. another way to write a radical expression
  2. 2. an equation with an index of 2
  3. 3. an expression that is either a real number a variable or a product of real numbers and variables with whole number exponents
  4. 8. when B>1 b is a _____
  5. 11. when an expressions numerator and denominator are polynomials that have no common divisors
  6. 13. The graph of a quadratic function in a u shaped curve