LEts CROSS!

3. is the figure formed by two rays
4. a function is the complete set of possible values of the independent variable.
6. is the set containing value(s) of the variable(s) that satisfy all equations and/or inequalities in the system.
7. any 2-dimensional shape formed with straight lines.
10. common endpoint of two or more rays or line segments.
11. the process of finding how many are left when some are taken away.
13. number used to multiply a variable.
14. a curve is a line that intersects the curve in at least two (distinct) points.
18. when they add up to 180 degrees.
19. is a line with one end.
20. longest side of a right triangle.
25. a name we give to a statement that two ratios are equal.
27. indicates how many times one number contains another.
28. process of putting things together.
29. polygon with three edges and three vertices.
30. is a statement that asserts the equality of two expressions.

1. square root symbol
2. gradient of a line is a number that describes both the direction and the steepness of the line.
5. when they are the same size (in degrees or radians).
8. which when multiplied by itself a given number of times, equals x.
9. cannot be expressed as a ratio between two integers
12. difference in size, degree, circumstances, etc.; lack of equality.
15. they add up to 90 degrees (a Right Angle).
16. is the point at which it crosses either the x or y axis.
17. is a picture that represents data in an organized manner.
21. the length of the adjacent side divided by the length of the side opposite the angle in a right-angled triangle.
22. splitting into equal parts or groups.
23. trigonometric function that is equal to the ratio of the side adjacent to an acute angle (in a right-angled triangle) to the hypotenuse.
24. number that can be made by dividing two integers
26. difference between the lowest and highest values.