Across
1
U-shaped curve of a quadratic function
5
Steepness of a line
7
Part of a whole number
8
Difference between highest and lowest values
9
Comparison of two quantities
11
Number less than zero
Down
1
Result of raising a number to an exponent
2
Mathematical rule or equation
3
Sum divided by count
4
Amount of space an object occupies
6
Three-sided polygon
10
Number with digits after a point