Across
1
Divisible by two
4
Part of a line with two endpoints
5
Power to which a number is raised
6
Reference line in a graph
7
System of ordered marks for measuring
10
Three-sided polygon
13
Difference between highest and lowest values
14
U-shaped curve of a quadratic function
Down
2
Sum divided by count
3
Total distance around a shape
8
Amount of space an object occupies
9
Symbol representing unknown value
11
Longest side of a right triangle
12
Proven mathematical statement