Across
1
Mathematical rule or equation
4
Round shape with all points equidistant
5
Closed shape with straight sides
6
Lines that never intersect
7
Divisible by two
8
Sum divided by count
Down
1
Part of a whole number
2
Rectangular array of numbers
3
Longest side of a right triangle
6
U-shaped curve of a quadratic function
9
Number divisible only by 1 and itself
10
Number less than zero