Wolfgirl's Howling puzzle 1

Across
3. b square minus 4 a c
6. _______ is the distance of maximum and minimum points from teh axis of the curve.
7. A string of variables where their powers are positive integers
8. When the _______ =0, this matrix has no inverse.
Down
1. We learnt about the Pascal's Triangle in _______ theorem.
2. (x-a)^2 + (y-b)^2 = r^2is the general equation of a _______.
4. The topic where you see many roots...
5. The ______ theorem states that when f(x) s divided by (x-a), the remainder is f(a)

----copy and paste, then print the puzzleboard out. Prizes will be given to first 3 submissions. (email me or post reply or snail mail--send to school address and addressed to me...Mdm Lo W L)