Angles made by the lines represented by the equation xy + y = 0 with y-axis are

$0^{\circ}$ and $90^{\circ}$

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$0^{\circ}$ and $30^{\circ}$

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$30^{\circ}$ and $60^{\circ}$

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$30^{\circ}$ and $90^{\circ}$

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Solution

The correct option is A
$0^{\circ}$ and $90^{\circ}$

Here the lines are x = -1 and y = 0 represented by xy + y = 0.Obviously line y = 0 makes an angle of $90^{\circ}$ with y. axis and x= -1 make an angle of $0^{\circ}$ with y-axis.

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Angles made by the lines represented by the equation xy + y = 0 with y-axis are

The correct option is A 0∘ and 90∘ Here the lines are x = -1 and y = 0 represented by xy + y = 0.Obviously line y = 0 makes an angle of 90∘ with y. axis and x= -1 make an angle of 0∘ with y-axis.

The correct option is A
$0^{\circ}$ and $90^{\circ}$

Here the lines are x = -1 and y = 0 represented by xy + y = 0.Obviously line y = 0 makes an angle of $90^{\circ}$ with y. axis and x= -1 make an angle of $0^{\circ}$ with y-axis.