Across
- 2. y=x/[(x-1)(x-2)] has one horizontal one and two vertical ones
- 11. mathematical ---------, once of rung one, I can get from rung k to rung k+1 for any k
- 12. some people say this is the smallest natural number
- 14. two distinct elements go to two distinct elements
- 15. ----- set, (x,y) such that f(x,y) = c
- 16. first ---------
- 17. if the square of the hypotenuse is the sum of the squares of the shorter sides then the triangle is right angled.
Down
- 1. ---- circle, the set of (sin(x),cos(x))
- 3. neither up nor down
- 4. if you have 5 of these they won't fit in four boxes
- 5. b squared minus 4ac
- 6. about 57.2958 degrees
- 7. image = codomain
- 8. -------- expansion helps with (x + y)^n
- 9. its gradient is the negative reciprocal of that of the tangent
- 10. ------ triangle contains all the values you need for 8 down
- 13. some people say this is the smallest natural number