Across
1
Sum divided by count
4
U-shaped curve of a quadratic function
5
Steepness of a line
6
Round shape with all points equidistant
Down
2
Number with digits after a point
3
Longest side of a right triangle
4
Closed shape with straight sides
5
Part of a line with two endpoints
6
Line segment connecting two circle points
7
The number representing nothing
8
Visual representation of data
9
Part of a whole number
10
Reference line in a graph