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3. Coordinate Geometry
easy
From the $Fig.$, answer the following:
$(i)$ Write the points whose abscissa is $0 .$
$(ii)$ Write the points whose ordinate is $0 .$
$(iii)$ Write the points whose abscissa is $-5.$
Option A
Option B
Option C
Option D
Solution
$(i)$ Clearly, the distance of points $A , L$ and $O$ from $y$ -axis is $0 . So , A (0,3), L (0,-4)$ and $0(0,0)$ are the points whose abscissa is $0 .$
$(ii)$ Clearly, the distance of points $G, I$ and $O$ from $x$ -axis is $0 .$ So, $G(5,0), I(-2,0)$ and $O(0,0)$ are the points whose ordinate is $0 .$
$(iii)$ Clearly, the distance of points $H$ and $D$ from $y$ -axis is $5$ units and both lien in second and third quadrants respectively. So, $(-5,-3)$ and $D(-5,1)$ are the points whose abscissa is $-5.$
Standard 9
Mathematics
