Algebra Two Math Terms!!!

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Across
  1. 2. Where a function equals 0
  2. 4. A statement that the values of two mathematical expressions are equal
  3. 5. A number in an ordered pair that names the location of a point on the coordinate plane
  4. 9. A line which passes through a vertex of a triangle and meets the opposite side at right angles
  5. 11. A point where two or more straight lines meet
  6. 12. A symmetrical open plane curve formed by the intersection of a cone with a plane parallel to its side
  7. 14. A numerical or constant quantity placed before and multiplying the variable in an algebraic expression
  8. 15. Value The root of a number x is another number, which when multiplied by itself a given number of times, equals x
Down
  1. 1. A number on its own or sometimes a letter
  2. 3. A fixed line used in describing a curve or surface
  3. 6. Close to the actual, but not completely accurate or exact
  4. 7. Involving the second and no higher power of an unknown quantity or variable
  5. 8. A measure of the relation between the mean value of one variable and corresponding values of other variables
  6. 10. To find the value of a numerical or algebraic expression
  7. 13. An algebraic equation in which the variables are of the first degree