Saturday
December 20, 2014

Homework Help: math logic

Posted by steph on Sunday, December 3, 2006 at 1:17pm.

I need to find 5 or more ordered pairs (x,y)



In which xy = x + y


like (0,0) and (2,2)

0,0
2,2
1/2,-1
-1,1/2





i need one more

How about two different x's and y''s?

(2,3) = 1,5)

this is the problem: xy= x+y
or the product of xy equals the sum of x and y.

example: x= .5 and y= -1

where x times y equals -0.5 and x plus y also equals -0.5.

i need one more example so far I have:

(0,0)
(2,2)
(1/2,-1)
(-1,1/2)

xy= x+y ---->

xy - x = y --->

x(y-1) = y ---->

x = y/(y-1)

Take e.g. y = 9/10 ---> x = -9

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Pre-Algebra - Can someone please help me answer these two questions? I have ...
algebra - Explain (in 3 or more sentences) how you can tell if a system of two ...
Algebra - 3x - 2y = 6 , 2x + 3= 6 are perpendicular lines but i need 3 ordered ...
Pre-Algebra - This is a realllyy tricky problem and I can't find two more ...
Pre-Algebra [repost] - This is a realllyy tricky problem and I can't find two ...
math - from the looks of things I am in good company when it comes to having ...
Math - Need help plz?! Graph the ordered pairs (0, 4) and (1, -1) and connect to...
Math - Can someone help me solve the following problems using the substituion ...
Algebra - we need help and the steps to solve 5x-y=18 and 5x+6y=-38. we need the...
ALGEBRA - i need help....i need 5 ordered pairs of the following....y = 20 + x/3...

Search
Members