In which of the following quadrants does the point (– 7, – 9) lie?
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1st quadrant
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2nd quadrant
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3rd quadrant
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4th quadrant
The point is (– 7, – 9). Here, x co-ordinate is – 7, which is negative and y co-ordinate is – 9, which is also negative. When x < 0 and y < 0, then the point (x, y) lies in the third quadrant. So, the point (– 7, – 9) lies in the third quadrant. OR The signs of co-ordinates of the point are (–, –), which lies in the 3rd quadrant. So, the point (– 7, – 9) lies in the third quadrant.
The third quadrant holds points where both coordinates are negative. Since (-7, -9) has a negative x-value and a negative y-value, it lies to the left of the y-axis and below the x-axis, placing it in the third quadrant.