Across
1
Split into equal parts
4
Power to which a number is raised
8
Mathematical rule or equation
11
Space between two intersecting lines
Down
2
Reference line in a graph
3
Part of a line with two endpoints
5
Symbol representing unknown value
6
Result of raising a number to an exponent
7
Rectangular array of numbers
9
Line touching circle at one point
10
Part of a circle's circumference