algebra

3. the process of multiplying a term outside parentheses by each term inside parentheses
6. where two or more objects (like lines,curves or sets) meet or cross each other
7. a symbol (usually a letter) that represents a value that can change or vary within a mathematical expression or equation
9. terms that have the same variables and the same exponent
11. to rearrange an equation or expression so that the variable of interest is alone on one side of the equation with all other terms on the opposite side
12. A statement of equality between two expressions essentially showing that two mathematical qualities are eq
14. The collection of all values or points that satisfy a given equation, inequality or system of equations
15. represents the difference a number is from zero on the number line

1. replacing variables in an algebraic expression with numerical values
2. two quantities or expressions have the same values
4. the inverse of a number or function
5. a pictorial representation or a diagram that represents data or values
8. lines or surfaces that are always the same distance and intersect.
10. eliminating variables to simplify the process and solve for remaining variables
13. the steepness and direction of a line