algebra 1 vocab words

2. A polynomial with exactly two terms.
4. Mathematical phrases containing numbers, variables, and operation symbols, but no equal sign.
7. The complete set of possible values for the input (usually \(x\))
9. a symbol that represents a unknown number
10. objects used to count, measure, and label, representing quantities or positions
11. The number multiplied by a variable
13. A number on its own that does not change
15. The complete set of possible output values
16. An expression consisting of many terms.
19. describes lines, planes, or surfaces that meet at a strict right angle
20. a specific rule or relationship that pairs each input from a set (called the domain) with exactly one output in another set (called the range)
21. Any number that can be expressed as a fraction

1. an algebraic expression that consists of exactly three terms (monomials) connected by addition or subtraction signs
3. a visual representation of data or a mathematical structure showing relationships between objects
5. The measure of the steepness of a line
6. equation or function that forms a straight line when graphed
8. the point where a graph (a line or curve) crosses or intersects an axis on a coordinate plane
12. A relationship where each input has exactly one output.
14. lines, planes, or paths that extend in the same direction,
17. A number that cannot be written as a simple fraction
18. a direction or position that is parallel to the ground or the horizon, running flat from left to right