Across
1
Math using letters for unknown values
5
U-shaped curve of a quadratic function
8
Mathematical statement of equality
9
Split into equal parts
10
Reference line in a graph
11
System of ordered marks for measuring
Down
2
Result of raising a number to an exponent
3
Corner point of a polygon
4
Closed shape with straight sides
6
Rectangle with four equal sides
7
Rectangular array of numbers
12
Comparison of two quantities
13
Three-sided polygon