algebra 1 vocab words

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Across
  1. 2. A polynomial with exactly two terms.
  2. 4. Mathematical phrases containing numbers, variables, and operation symbols, but no equal sign.
  3. 7. The complete set of possible values for the input (usually \(x\))
  4. 9. a symbol that represents a unknown number
  5. 10. objects used to count, measure, and label, representing quantities or positions
  6. 11. The number multiplied by a variable
  7. 13. A number on its own that does not change
  8. 15. The complete set of possible output values
  9. 16. An expression consisting of many terms.
  10. 19. describes lines, planes, or surfaces that meet at a strict right angle
  11. 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)
  12. 21. Any number that can be expressed as a fraction
Down
  1. 1. an algebraic expression that consists of exactly three terms (monomials) connected by addition or subtraction signs
  2. 3. a visual representation of data or a mathematical structure showing relationships between objects
  3. 5. The measure of the steepness of a line
  4. 6. equation or function that forms a straight line when graphed
  5. 8. the point where a graph (a line or curve) crosses or intersects an axis on a coordinate plane
  6. 12. A relationship where each input has exactly one output.
  7. 14. lines, planes, or paths that extend in the same direction,
  8. 17. A number that cannot be written as a simple fraction
  9. 18. a direction or position that is parallel to the ground or the horizon, running flat from left to right