izaiah crossword

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Across
  1. 1. A number that cannot be expressed as a fraction, like √2 or π.
  2. 6. Symbols such as <, >, ≤, ≥ that show comparison.
  3. 8. A symbol usually a letter used to represent an unknown value.
  4. 9. A mathematical sentence that shows that two expressions are equal, using an equal sign (=).
  5. 13. A number that can be written as a ratio of two integers (fractions, whole numbers).
  6. 14. Terms, Terms with the same variable(s) raised to the same power.
  7. 15. A measure of how steep a line is, found by rise/run or (change in y)/(change in x).
  8. 17. The distance a number is from zero on the number line; always positive.
  9. 18. A number multiplied by a variable in an algebraic expression (e.g., in 3x, 3 is the coefficient).
  10. 20. A way to write equations, such as Ax + By = C for linear equations.
  11. 22. A mathematical phrase that can contain numbers, variables, and operations, but no equal sign.
  12. 23. An expression that includes a square root or other root.
  13. 25. A fixed value that does not change (e.g., in x + 5, 5 is a constant).
  14. 27. A relation where each input has exactly one output.
  15. 28. An equation that forms a straight line when graphed, typically written as y = mx + b.
Down
  1. 2. The set of all possible output values (y-values) of a function.
  2. 3. The point where a line crosses the y-axis (when x = 0).
  3. 4. To combine like terms and make an expression shorter and clearer.
  4. 5. The set of all possible input values (x-values) of a function.
  5. 7. a(b + c) = ab + ac; used to multiply a number by a group of terms.
  6. 10. A way to write linear equations as y = mx + b.
  7. 11. The point where a line crosses the x-axis (when y = 0).
  8. 12. To find the value of a variable that makes an equation true.
  9. 16. The U-shaped graph of a quadratic function.
  10. 19. An equation in the form ax² + bx + c = 0, where a ≠ 0.
  11. 21. A number that shows how many times the base is multiplied by itself.
  12. 24. Breaking down an expression into products of simpler expressions.
  13. 26. A mathematical sentence that compares two expressions using <, >, ≤, or ≥.
  14. 29. A single number, variable, or the product of numbers and variables.