Across
- 6. a number having a value less than zero
- 7. one part of something that is evenly divided into four parts
- 9. a transformation representing a flip of a figure
- 10. Numbers, symbols and operators (such as + and ×) grouped together that show the value of something
- 12. a pair of numbers: the first number shows the distance along, and the second number shows the distance up or down
- 13. The line on a graph that runs vertically (up-down) through zero
Down
- 1. A symbol for a value we don't know yet. It is usually a letter like x or y.
- 2. a number that is greater than or equal to zero
- 3. is the point where the axes of the system intersect. The coordinates of the are always all zero
- 4. a number on its own, or sometimes a letter such as a, b or c to
- 5. The line on a graph that runs horizontal through zero
- 8. a single number or variable
- 11. the basic relationship displayed on a graph
- 12. a number used to multiply a variable. for example 6z means 6 times z, and "z" is a variable
