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Across 5. A system that has no solution 6. A number, a variable, or a product of numbers and variables with wholenumber exponents 9. The degree of the term with the greatest degree 11. A problem that has infinitely many solutions 12. When two simple inequalities are combined into one statment by the words AND or OR 14. A member of the set of whole numbers and their opposites 15. The graph of a quratic function is a curve 17. Any function that can be written in the standard form y=ax2 + bx +c, 20. A problem that has exactly one solution 21. A method of writing numbers that are very large or very small

Down 1. A set of two or more linear equations containing two or more variables 2. The sum of the exponents of the variables 3. An x-value that makes the function equal to 0 4. Vertical line that divides a parabola into two symmetrical halves 7. When written in standard form, the cofficient of the first term 8. The overlapping region that shows the numbers that are solutions of both inequalities 10. A measure of the steepness of a line 13. The Highest or lowest point on a parabola 16. A monomial or a sum or difference of monomials 18. The combined regions that shows the numbers that are solutions of either inequality 19. The small number to the left of the radical symbol that tells which root to take