Across
1
Line touching circle at one point
3
Mathematical rule or equation
5
Amount of space an object occupies
6
Visual representation of data
10
The number representing nothing
11
System of ordered marks for measuring
Down
2
U-shaped curve of a quadratic function
4
Sum divided by count
7
Collection of distinct elements
8
Power to which a number is raised
9
Number with digits after a point
12
Divisible by two