Across
1
Part of a circle's circumference
3
U-shaped curve of a quadratic function
7
Comparison of two quantities
8
Space between two intersecting lines
9
Three-sided polygon
10
Mathematical statement of equality
Down
2
Mathematical rule or equation
4
Reference line in a graph
5
Result of raising a number to an exponent
6
Parts per hundred
11
Number that divides evenly into another
12
Visual representation of data
13
Collection of distinct elements