Question

how many solutions does pair of linear equation y= 0 and y = -7 have

Answer 1

Answer:

Correct option is

D

no solution

Answer:- (D) no solution

Here the equations are y=0 and y=7.

y=0 is the x axis(violet line) and y=7 (green line) is the line parallel to the x axis at a distance of 7 units from y=0.

The lines will be parallel and hence no solution.

If we try to solve these equations, we get

0=7 which is an absurd.

So, the equations are inconsistent.

Answer 2

Answer:

the pair of linear equations, y = 0 and y = -7

have zero solutions, we can get that by plotting graphs.

both lines are parallel to each other.

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