Across
1
Longest side of a right triangle
6
Number less than zero
7
Power to which a number is raised
8
Number that divides evenly into another
9
Distance from center to edge of circle
10
Difference between highest and lowest values
Down
2
Single numeral from 0 to 9
3
Middle value in an ordered dataset
4
U-shaped curve of a quadratic function
5
Symbol representing unknown value