MATHS

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Across
  1. 3. Are the specific values of a variable (usually x) that make a polynomial equation or function equal to zero, essentially, they are the solutions to an equation
  2. 5. The spread between the maximum and minimum values in a dataset
  3. 9. The price paid for borrowing money. It is expressed as a percentage rate over a period of time
  4. 10. A measure of statistical dispersion representing the spread of the middle 50% of a dataset (between the 25th and 75th percentiles)
  5. 12. An algebraic technique used to rearrange a quadratic expression from standard form into vertex form It involves creating a perfect square trinomial residual the difference between an observed value and the predicted value from a regression model
  6. 13. Used to estimate the relationship between the dependent and independent variables
  7. 14. The value that appears most frequently in a data set
  8. 15. The average of a set of numerical data
Down
  1. 1. Number that can be written as a fraction
  2. 2. A list of numbers where the difference between consecutive terms is constant
  3. 4. A number with a sequence of digits after the decimal point that repeats infinitely
  4. 6. A decimal number with a finite, limited number of digits after the decimal point, meaning it ends rather than continuing infinitely
  5. 7. Numbers that cannot be written as a fraction
  6. 8. The center value in a set of data arranged in ascending order (smallest to largest)
  7. 11. A mathematical expression consisting of usually 3 constants (numbers), variables (like x or y)and exponents that are added, subtracted, or multiplied, but never divided