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2. number which produces a specified quantity when multiplied by itself
7. a statement that the values of two mathematical expressions are equal (indicated by the sign =).
9. a decimal number that ends after a finite number of digits after the decimal point
10. if you solve the equation and get a variable equal to a number.
12. not denoting, involving, or arranged in a straight line.
14. not consistent or having a fixed pattern; liable to change.

1. a combination of numbers, variables, and arithmetic operations (like +, -, x, and /) that represent a value
3. one value is larger or bigger than another value
4. a part of a whole number
5. a decimal fraction in which a figure or group of figures is repeated indefinitely
6. there is no value for the variable (or variables) that can make the equation or problem true
8. one value is smaller or shorter than another value
11. expressible, or containing quantities that are expressible, as a ratio of whole numbers.
13. not expressible as a ratio of two integers, and having an infinite and nonrecurring expansion when expressed as a decimal.
15. arranged in or extending along a straight or nearly straight line.