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Question

The pair of equations $$ y = 0 $$ and $$ y = -7 $$ has 


A
one solution
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B
two solution
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C
infinitely many solution
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D
no solution
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Solution

The correct option is B no solution
We know that equation of the form $$  y =  a $$ is a line parallel to x-axis at distance 'a'from it . $$ y = 0 $$ is the equation of the x-axis and $$ y = -7 $$ is the equation of line parallel to the x-axis so, these two equations two parallel lines . therefore, there is no solution.
hence (D) is correct answers.

Mathematics

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