Across
1
Number less than zero
6
Longest side of a right triangle
7
Result of raising a number to an exponent
8
Mathematical statement of equality
12
U-shaped curve of a quadratic function
Down
2
System of ordered marks for measuring
3
Comparison of two quantities
4
Difference between highest and lowest values
5
Three-sided polygon
9
Lines that never intersect
10
Number that divides evenly into another
11
Number greater than zero