The points (other than the origin) for which the abscissa is equal to the ordinate lie in which quadrants? [2 MARKS]
Logic : 1 Mark
Result : 1 Mark
Abscissa and ordinate are both positive in the first quadrant and both are again negative in the third quadrant.
If the abscissa and ordinate are both equal and positive, then they lie in the 1st quadrant. If both are equal but negative, they will lie in the 3rd quadrant.