MathCastle
Algebra 2ChallengeSystems of Equations

Systems of Equations · Challenge problem

For which value of kk does the system have NO solution, and what is yy when k=10k = 10?

{5x+3y=515x+ky=13\begin{cases} 5 x + 3 y = 5 \\ 15 x + ky = 13 \end{cases}