Across
1
Power to which a number is raised
2
Reference line in a graph
5
Symbol representing unknown value
6
Number with digits after a point
8
Amount of space an object occupies
Down
2
Space between two intersecting lines
3
System of ordered marks for measuring
4
Mathematical rule or equation
7
Result of raising a number to an exponent
9
Part of a line with two endpoints
10
Line touching circle at one point