A pair of linear equations which has a unique solution x = 2, y = –3 is ________________
A) x + y = –1; 2x – 3y = –5
B) 2x + 5y = –11; 4 x + 10y = –22
C) 2x – y = 1 ; 3x + 2y = 0
D) x – 4y –14 = 0; 5 x – y – 13 = 0
Answers
Answered by
1
D because A C and D have unique solutions but A and C don’t satisfy the equation x=2 and y=-3
Similar questions