Across
1
The number representing nothing
3
Power to which a number is raised
4
Result of multiplication
5
Exact correspondence on both sides
6
Space between two intersecting lines
10
U-shaped curve of a quadratic function
Down
2
Number with digits after a point
3
Mathematical statement of equality
7
Mathematical rule or equation
8
Middle value in an ordered dataset
9
Number greater than zero
11
Value that does not change