Across
1
Steepness of a line
3
Result of multiplication
5
Single numeral from 0 to 9
7
Lines that never intersect
8
Power to which a number is raised
13
Middle value in an ordered dataset
Down
1
Collection of distinct elements
2
Visual representation of data
4
Rectangular array of numbers
6
Three-sided polygon
9
Reference line in a graph
10
Rectangle with four equal sides
11
Proven mathematical statement
12
Round shape with all points equidistant