Across
1
U-shaped curve of a quadratic function
5
Symbol representing unknown value
6
Result of addition
7
Difference between highest and lowest values
10
Number that divides evenly into another
Down
2
Visual representation of data
3
Reference line in a graph
4
Part of a circle's circumference
5
Corner point of a polygon
8
System of ordered marks for measuring
9
Divisible by two
11
Number greater than zero