Across
1
Comparison of two quantities
3
Sum divided by count
4
Proven mathematical statement
6
Symbol representing unknown value
7
Middle value in an ordered dataset
10
Repeated addition
11
Line segment connecting two circle points
12
Longest side of a right triangle
13
Difference between highest and lowest values
Down
2
Mathematical statement of equality
3
Reference line in a graph
5
System of ordered marks for measuring
8
Mathematical rule or equation
9
Power to which a number is raised
14
Part of a line with two endpoints