Across
- 2. Represents an unknown quantity
- 4. A small number written above a symbol, e.g. x²
- 7. The size or length of something in one direction
- 8. The distance from the centre of a circle to the outside
- 9. Example of a two-dimensional value, e.g. cm²
- 12. Smaller than zero
- 13. The × symbol does this
- 18. The – symbol does this
- 19. The distance all the way around a circle
- 22. A polynomial where the biggest exponent is 3, e.g. x³ - 5x + 1
- 23. Example of a three-dimensional value, e.g. m³
- 24. The + symbol does this
- 26. A horizontal or vertical line on a graph, to which a variable is assigned
- 27. A formula with variables, exponents and coefficients, e.g. 3x² + 2x - 3
- 28. A number expressed as a ratio, e.g. 1/2
Down
- 1. Make a polynomial easier to read, e.g. 2(x-1)²
- 3. A polynomial where the biggest exponent is 1, e.g. x + 5
- 5. A line that touches a curve at only one point
- 6. A symbol from 0 to 9
- 7. The ÷ symbol does this
- 10. A list of numbers
- 11. A polynomial where the biggest exponent is 2, e.g. x² + x + 4
- 14. Bigger than zero
- 15. A collection of symbols expressing a mathematical fact
- 16. Values that represent quantities
- 17. The centre of a graph, where the axes meet
- 20. A formula that says two things are equal
- 21. How fast a curve is increasing or decreasing at one point
- 25. Two times the radius of a circle