Across
1
Reference line in a graph
4
Visual representation of data
6
Divisible by two
7
Difference between highest and lowest values
8
Closed shape with straight sides
9
Value that does not change
Down
2
Comparison of two quantities
3
Part of a whole number
5
Proven mathematical statement
8
U-shaped curve of a quadratic function
10
Number less than zero
11
Parts per hundred