Across
1
Exact correspondence on both sides
5
Space between two intersecting lines
6
Part of a whole number
7
Split into equal parts
9
Reference line in a graph
12
Collection of distinct elements
13
Visual representation of data
14
Number divisible only by 1 and itself
Down
2
Value that does not change
3
System of ordered marks for measuring
4
Symbol representing unknown value
8
Difference between highest and lowest values
10
Round shape with all points equidistant
11
Line touching circle at one point