Across
1
Line crossing from corner to corner
4
Proven mathematical statement
5
Result of raising a number to an exponent
6
Line touching circle at one point
7
Mathematical statement of equality
Down
1
Split into equal parts
2
Value that does not change
3
Number that divides evenly into another
4
Three-sided polygon
8
Mathematical rule or equation
9
Number less than zero
10
System of ordered marks for measuring
11
Lines that never intersect
12
Collection of distinct elements
13
Visual representation of data