Across
1
U-shaped curve of a quadratic function
2
Middle value in an ordered dataset
3
Amount of space an object occupies
5
Difference between highest and lowest values
6
Single numeral from 0 to 9
8
Part of a circle's circumference
Down
1
Result of raising a number to an exponent
2
Repeated addition
4
Sum divided by count
7
Result of multiplication
9
Mathematical rule or equation