Q) (a) Solve the pair of equations x = 3 and y = – 4 graphically. 

(b) Using graphical method, find whether following system of linear equations is consistent or not: x = 0 and y = – 7

Ans: (a) Lets plot both the equations on the graph.

Increase till these lines intersect each other.

Get the intersection point as (3,-4)

(b) Draw graph for y = – 7 and x = 0.

As y = – 7 is intersecting x = 0 at (0,-7);

So, system of equations is consistent.