Across
1
U-shaped curve of a quadratic function
6
Reference line in a graph
7
Result of raising a number to an exponent
8
Middle value in an ordered dataset
9
Difference between highest and lowest values
10
Split into equal parts
11
Space between two intersecting lines
Down
2
Steepness of a line
3
Round shape with all points equidistant
4
Part of a whole number
5
Symbol representing unknown value