Skip to content
Competitive Stats
Q4Section A (Section A)4 of 60

Unique solution among parameter pairs

Consider the following system of linear equations ax+2y+z=0,y+5z=1,by−5z=−1.ax+2y+z=0,\qquad y+5z=1,\qquad by-5z=-1. Which one of the following statements is TRUE?

Options

Pick an option to check your answer.