Across
1
Steepness of a line
5
Number divisible only by 1 and itself
6
Line segment connecting two circle points
7
Sum divided by count
8
Number that divides evenly into another
10
Part of a whole number
11
Value that does not change
Down
2
Difference between highest and lowest values
3
Three-sided polygon
4
U-shaped curve of a quadratic function
9
Proven mathematical statement