(July 21, 2011 at 10:49 am)edk141 Wrote: Which two numbers have a product of 4 and a sum of 3?x+y=3 xy=4 so x(3-x)=3 3x-x^2-3=0 so x^2-3x+3=0
We can't factor this, so we use the quadratic equation
3+ or - Square root (9-12) all divided by 2
Since square root of 9-12 is negative, the solutions are NOT real There are no real numbers that satisfy these conditions.
Yes I did that all by myself
My question is:
What happened to Madeleine McCann?