Across
1
Space between two intersecting lines
4
Visual representation of data
5
Value that does not change
11
Number divisible only by 1 and itself
12
Number less than zero
13
Result of raising a number to an exponent
Down
2
Part of a whole number
3
Three-sided polygon
5
Line segment connecting two circle points
6
Exact correspondence on both sides
7
Comparison of two quantities
8
Number that divides evenly into another
9
The number representing nothing
10
Steepness of a line