Algebra 1 Vocabulary

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Across
  1. 1. terms Terms that have the same variable and exponent (or are just constants).
  2. 5. point where a line crosses the x-axis on a graph.
  3. 7. Plane A two-dimensional space formed by two perpendicular number lines (the x-axis and y-axis).
  4. 10. Equation An equation that can be graphed as a straight line
  5. 11. A single number, variable, or the product or quotient of numbers and variables.
  6. 13. A value that does not change or vary within a given problem.
  7. 15. A combination of numbers, variables, and operations (like addition, subtraction, etc.) that does not contain an equal sign.
  8. 18. The numerical factor in a term (the number in front of the variable).
  9. 19. A relation where each input value (x) corresponds to exactly one output value (y).
Down
  1. 2. To find the value of an expression or equation by substituting given values for the variables.
  2. 3. The point where a line crosses the y-axis on a graph.
  3. 4. A visual representation of a function or relationship, typically on a coordinate plane.
  4. 6. The set of all possible output values for a function (y-values).
  5. 8. The set of all possible input values for a function (x-values).
  6. 9. A symbol (like x or y) that represents a number.
  7. 12. A mathematical statement showing that two expressions are equal, often using an equals sign (=).
  8. 14. The steepness of a line, often represented as "rise over run" or m.
  9. 16. The value or values of a variable that make an equation or inequality true
  10. 17. To rewrite an expression or equation in a simpler form by combining like terms or performing operations.
  11. 20. A mathematical statement that shows that two expressions are not equal, often using symbols like <, >, ≤, or ≥.