Algebra

3. Difference in size, degree, circumstances, etc.lack of equality.
6. Decay a process where a quantity decreases over time at a rate that is proportional to its current value
9. A rule or fact expressed using mathematical symbols, often involving variables and an equals sign
12. The number of unique digits used in a positional numeral system to represent numbers
13. A combination of numbers, variables, and operators that represents a single value
15. An algebraic expression consisting of the sum or difference of two terms
17. A statement that two expressions are always equal, regardless of the values of the variables involved
18. A mathematical statement that shows two expressions are equal, connected by an equals sign
19. Involving the condition that a group of quantities connected by operators gives the same result whatever their grouping, as long as their order remains the same,

1. Involving the condition that a group of quantities connected by operators gives the same result whatever the order of the quantities involved
2. like terms Grouping and simplifying terms that have the same variable and exponent (or are constants) in an algebraic expression or equation.
4. A quantity representing the power to which a given number or expression is to be raised, usually expressed as a raised symbol beside the number or expression
5. A number that divides another number evenly, leaving no remainder
7. A numerical value that multiplies a variable or a constant
8. A fundamental principle that explains how multiplication interacts with addition and subtraction
10. value Describes the distance from zero that a number is on the number line, without considering direction
11. A placeholder for a value that can change or vary
14. A value or number that does not change in an equation or expression
16. equations An algebraic equation where the variables are raised to the power of one and, when graphed, forms a straight line
20. A fixed value that doesn't change with respect to other variables in an equation or expression