Across
1
Middle value in an ordered dataset
2
Round shape with all points equidistant
4
Corner point of a polygon
5
Power to which a number is raised
6
U-shaped curve of a quadratic function
11
The number representing nothing
12
Line touching circle at one point
13
Part of a whole number
Down
1
Rectangular array of numbers
2
Line segment connecting two circle points
3
Math using letters for unknown values
7
Space between two intersecting lines
8
Steepness of a line
9
System of ordered marks for measuring
10
Mathematical statement of equality