Across
1
U-shaped curve of a quadratic function
5
Line touching circle at one point
6
Power to which a number is raised
7
The number representing nothing
8
Line crossing from corner to corner
12
Math using letters for unknown values
Down
2
Number with digits after a point
3
Comparison of two quantities
4
Three-sided polygon
9
Visual representation of data
10
Steepness of a line
11
Result of raising a number to an exponent
13
Difference between highest and lowest values