Across
- 3. terms that have the same variable and power
- 6. a list of x and y values used to graph a relation
- 7. a reference line on a graph (x-axis or y-axis)
- 8. a letter used to represent an unknown value
- 10. to remove brackets by multiplying through
- 12. a number with no variable
- 14. the value that makes an equation true
- 17. where the line crosses the y-axis- the 'c' in y=mx+c
- 18. a graph that shows a linear relationship
- 20. the point where a line crosses an axis
- 21. how steep a line is- The 'm' in y=mx+c
- 23. lines that never meet and have the same gradient
- 24. an operation that reverses another (e.g. addition and subtraction)
- 25. the point (0,0) where the x and y axes meet
Down
- 1. the number in front of a variable
- 2. a relationship that forms a straight line when graphed
- 4. to find the value of the variable that makes the equation true
- 5. to replace a variable with a value
- 9. a mathematical statement showing two expressions are equal
- 11. a relationship that does not form a straight line
- 13. to combine like terms or make an expression easier to read
- 15. the point where two lines cross
- 16. to mark points on a graph
- 19. a visual representation of a relationship
- 22. keeping both sides of an equation equal by doing the same operation to both sides