Across
1
Split into equal parts
2
Number that divides evenly into another
4
Value that does not change
5
U-shaped curve of a quadratic function
6
Symbol representing unknown value
7
Reference line in a graph
Down
1
Line crossing from corner to corner
3
Rectangle with four equal sides
8
Divisible by two
9
Line touching circle at one point
10
Difference between highest and lowest values
11
System of ordered marks for measuring