Across
1
Corner point of a polygon
2
Lines that never intersect
4
Rectangle with four equal sides
5
Part of a line with two endpoints
8
Result of raising a number to an exponent
Down
2
U-shaped curve of a quadratic function
3
Power to which a number is raised
5
Result of addition
6
Number that divides evenly into another
7
Divisible by two
9
System of ordered marks for measuring
