Across
1
Rectangle with four equal sides
4
Line crossing from corner to corner
5
Number divisible only by 1 and itself
7
Number less than zero
8
Rectangular array of numbers
14
Power to which a number is raised
Down
2
Visual representation of data
3
Reference line in a graph
5
Total distance around a shape
6
Sum divided by count
9
Lines that never intersect
10
Number greater than zero
11
Math using letters for unknown values
12
Collection of distinct elements
13
System of ordered marks for measuring