Algebra II
posted by Bread .
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!/(nr)!r!
b) n!/p!q!
c) n!/(nr)!
d) none of these
can someone please help me on these I am stuck

1. C(h,k).
C(2,0).
(xh)^2 + (yk)^2 = r^2.
(x2)^2 + (y0)2 = 11.
Eq: (x2)^2 + y^2 = 11.
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