Across
1
Result of multiplication
4
U-shaped curve of a quadratic function
5
Line crossing from corner to corner
6
Value that does not change
7
Line touching circle at one point
9
The number representing nothing
10
Power to which a number is raised
Down
1
Total distance around a shape
2
Amount of space an object occupies
3
Number less than zero
8
Line segment connecting two circle points