Across
1
Closed shape with straight sides
4
Corner point of a polygon
5
Steepness of a line
6
Proven mathematical statement
9
Middle value in an ordered dataset
10
U-shaped curve of a quadratic function
11
Result of raising a number to an exponent
Down
2
Math using letters for unknown values
3
Value that does not change
7
Longest side of a right triangle
8
Number greater than zero
12
Comparison of two quantities