Across
1
Part of a whole number
2
Collection of distinct elements
4
Number with digits after a point
5
Repeated addition
8
Line touching circle at one point
9
Line segment connecting two circle points
10
Difference between highest and lowest values
11
Longest side of a right triangle
Down
2
Steepness of a line
3
Line crossing from corner to corner
6
Mathematical rule or equation
7
Power to which a number is raised
12
U-shaped curve of a quadratic function
13
Result of raising a number to an exponent