Across
1
Visual representation of data
2
Math using letters for unknown values
3
Round shape with all points equidistant
4
Rectangle with four equal sides
5
Three-sided polygon
7
Middle value in an ordered dataset
Down
2
Sum divided by count
4
Steepness of a line
6
Part of a whole number
8
Result of raising a number to an exponent
9
Number less than zero