Across
1
Number that divides evenly into another
4
U-shaped curve of a quadratic function
6
Power to which a number is raised
8
Distance from center to edge of circle
Down
2
Rectangular array of numbers
3
Comparison of two quantities
4
Number divisible only by 1 and itself
5
Rectangle with four equal sides
7
Math using letters for unknown values
9
Line touching circle at one point