Across
1
Single numeral from 0 to 9
3
Math using letters for unknown values
5
Steepness of a line
6
Repeated addition
8
Power to which a number is raised
10
Amount of space an object occupies
11
Number less than zero
Down
2
Visual representation of data
4
Corner point of a polygon
5
Part of a line with two endpoints
7
Line touching circle at one point
9
Divisible by two