Across
1
Math using letters for unknown values
2
Lines that never intersect
5
Repeated addition
6
Parts per hundred
8
Steepness of a line
11
Number less than zero
Down
2
Result of raising a number to an exponent
3
Comparison of two quantities
4
Line touching circle at one point
5
Rectangular array of numbers
7
Value that does not change
9
Power to which a number is raised
10
Divisible by two
12
Space between two intersecting lines