Problem
ALG-B1-M10-P002 Two unknowns
#2
★☆☆☆☆ Level 1 of 5
Solve the system \(x+y=8\), \(xy=15\).
View \(x,y\) as roots of a quadratic equation.
\(x,y\) are roots of \(t^2-8t+15=0=(t-3)(t-5)\). Answer: \((3,5),(5,3)\).
A basic use of Vieta.