Math crossword

2. where you change the sign in the middle of two terms
3. expression that has a square root, cube root, etc.
5. a number on its own, or sometimes a letter such as a, b or c to stand for a fixed number
6. remove radicals, such as from a denominator, without changing the value of (an expression) or roots of (an equation).
8. number that is going to be raised to a power.
10. involves a combination of direct or joint variation, and indirect variation
13. part or amount considered in relation to a whole
14. when one of the variables increases, the other one decreases
15. more than two variables are related directly

1. something smaller (in size or quantity)
4. the relative sizes of two or more values.
6. of being expressed as a quotient of integers
7. function that relates the values of one variable to those of other variables.
9. is written as a small number to the right and above the base number.
11. both variables either increase or decrease together
12. defined informally as the signed area of the region in the xy-plane that is bounded by the graph of f, the x-axis and the vertical lines x = a and x = b
14. how many times to use the number in a multiplication.