Across
1
Number less than zero
3
U-shaped curve of a quadratic function
7
Round shape with all points equidistant
8
Mathematical statement of equality
9
Difference between highest and lowest values
Down
2
Rectangular array of numbers
3
Closed shape with straight sides
4
Amount of space an object occupies
5
Steepness of a line
6
Power to which a number is raised
10
Distance from center to edge of circle