Across
1
Lines that never intersect
3
Line segment connecting two circle points
5
Parts per hundred
8
Result of raising a number to an exponent
9
Part of a line with two endpoints
10
Rectangular array of numbers
11
System of ordered marks for measuring
Down
2
Part of a whole number
4
The number representing nothing
6
U-shaped curve of a quadratic function
7
Number less than zero