Across
1
The number representing nothing
3
Corner point of a polygon
6
Number divisible only by 1 and itself
8
Line crossing from corner to corner
9
Part of a line with two endpoints
10
Value that does not change
Down
2
Mathematical statement of equality
4
Math using letters for unknown values
5
Power to which a number is raised
7
Result of raising a number to an exponent
11
Space between two intersecting lines