Across
1
Number less than zero
5
Closed shape with straight sides
7
Power to which a number is raised
8
U-shaped curve of a quadratic function
9
Line crossing from corner to corner
Down
2
Divisible by two
3
Lines that never intersect
4
Symbol representing unknown value
6
Line touching circle at one point
10
Corner point of a polygon
11
Middle value in an ordered dataset