Question 2 What are the solutions of this equation ? 0x+100=0 {} {0} {−100} infinitely many solutions
Question 4 What are the solutions of this equation ? 10x+2y=18 {(1,4)} infinitely many solutions {} {(2,−1)}
Question 5 What are the solutions of this system ? {−1x+1y=4−2x+2y=4 infinitely many solutions {} {(0,4)} {(−2,1)}
Question 6 What are the points the lines d1 and d2 intersect each other at ? d1:y=2x+6d2:y=−5x−1 {} infinitely many points {(1,−6)} {(−1,4)}
Question 7 What are the points the planes p1, p2, p3 intersect each other at ? p1:x+2y−2z+1=0p2:−x+3y−3z−1=0p3:−2x+y+4z+2=0 {(−5,−2,−4)} {} {(−1,−45,−45)} infinitely many points