Across
1
Difference between highest and lowest values
4
Mathematical rule or equation
6
Line touching circle at one point
7
Middle value in an ordered dataset
8
Three-sided polygon
Down
2
Power to which a number is raised
3
Symbol representing unknown value
4
Number that divides evenly into another
5
Steepness of a line
9
Visual representation of data
10
Line crossing from corner to corner