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    Question

    The pair of equation x = a and y = b graphically

    representing lines which are
    A Intersecting at (a, b) Correct Answer Incorrect Answer
    B Parallel Correct Answer Incorrect Answer
    C Intersecting at (0, 0) Correct Answer Incorrect Answer
    D Coincident Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    The equations x = a and y = b represent: x = a is a vertical line passing through (a,0). y = b is a horizontal line passing through (0,b). These two lines are perpendicular to each other and intersect at the point (a,b). The given pair of equations graphically represents two perpendicular lines that intersect at (a, b).

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