Across
1
Result of raising a number to an exponent
4
Total distance around a shape
6
Collection of distinct elements
8
Proven mathematical statement
9
U-shaped curve of a quadratic function
10
Line touching circle at one point
11
Space between two intersecting lines
13
Comparison of two quantities
Down
2
Repeated addition
3
Three-sided polygon
5
The number representing nothing
6
Rectangle with four equal sides
7
Difference between highest and lowest values
12
System of ordered marks for measuring
14
Rectangular array of numbers