Posted by **Bread** on Wednesday, May 18, 2011 at 2:39pm.

1) write an equation for a circle with the center (2,0) and radius sqrt 11

2) Find the common ratio in the geometric sequence : 7, -28, 112 ....

3) In a recursive formula, each succeeding term is formulated from the next term. a) true b) false

4) find the four corners of the fundamental rectangle of the hyperbola, x^2/36 + y^2/49 = 1

5) which expression can be used to find the number of permutations of n distinct objects of which p are alike and q are alike?

a) n!/(n-r)!r!

b) n!/p!q!

c) n!/(n-r)!

d) none of these

can someone please help me on these I am stuck

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