Across
1
The number representing nothing
2
Lines that never intersect
3
Amount of space an object occupies
7
Line crossing from corner to corner
8
Space between two intersecting lines
9
Visual representation of data
Down
2
U-shaped curve of a quadratic function
4
Steepness of a line
5
Part of a line with two endpoints
6
Result of raising a number to an exponent
10
Collection of distinct elements