Across
1
Number divisible only by 1 and itself
5
Comparison of two quantities
6
Closed shape with straight sides
7
U-shaped curve of a quadratic function
8
Space between two intersecting lines
9
Line touching circle at one point
11
Collection of distinct elements
13
Rectangle with four equal sides
Down
2
Number with digits after a point
3
Power to which a number is raised
4
Longest side of a right triangle
10
Amount of space an object occupies
12
Value that does not change