Across
1
Comparison of two quantities
2
U-shaped curve of a quadratic function
4
Number less than zero
5
Line segment connecting two circle points
6
Difference between highest and lowest values
8
Number greater than zero
Down
1
Distance from center to edge of circle
2
Result of raising a number to an exponent
3
Corner point of a polygon
7
Mathematical statement of equality
9
Number with digits after a point