Across
1
Part of a line with two endpoints
4
Power to which a number is raised
5
Reference line in a graph
7
Line crossing from corner to corner
8
Three-sided polygon
9
U-shaped curve of a quadratic function
Down
2
Middle value in an ordered dataset
3
Value that does not change
6
Mathematical rule or equation
10
Number less than zero
11
Rectangle with four equal sides