Graphically, the pair of equations 7x – y = 5; 21x – 3y = 10 represents two lines which are
A. intersecting at one point
B. parallel
C. intersecting at two points
D. coincident
Answer:B
Graphically, the pair of equations 7x – y = 5; 21x – 3y = 10 represents two lines which are
A. intersecting at one point B. parallel C. intersecting at two points D. coincident