Across
1
U-shaped curve of a quadratic function
5
Power to which a number is raised
9
Reference line in a graph
11
Line touching circle at one point
12
Number with digits after a point
Down
2
Part of a whole number
3
Space between two intersecting lines
4
Number that divides evenly into another
6
Number greater than zero
7
Math using letters for unknown values
8
Corner point of a polygon
10
Total distance around a shape