Across
1
Middle value in an ordered dataset
5
Line crossing from corner to corner
6
Number less than zero
7
Steepness of a line
8
Corner point of a polygon
9
Distance from center to edge of circle
Down
2
Symbol representing unknown value
3
Split into equal parts
4
Number with digits after a point
9
Comparison of two quantities
10
Value that does not change
11
Visual representation of data
12
Power to which a number is raised