Across
1
Single numeral from 0 to 9
4
Lines that never intersect
5
U-shaped curve of a quadratic function
7
Part of a line with two endpoints
8
Math using letters for unknown values
Down
2
Round shape with all points equidistant
3
Value that does not change
6
Middle value in an ordered dataset
9
Part of a whole number
10
Visual representation of data