Distance and Section Formulas

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  • Q1

    Three coordinate planes divide the space into eight parts knowns as____.

    Marks:1
    Answer:

    octants

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  • Q2

    A point lies on the yz-plane. What can you say about its x-coordinate?

    Marks:1
    Answer:

    Its x- coordinate is zero.

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  • Q3

    Fill in the blanks:

    (i) The x- axis and z-axis taken together determine a plane known as_______.

    (ii) The coordinates of points in the XZ-plane are of the form _______.

    Marks:2
    Answer:

    (i) XZ - plane (ii) (x, 0, z)

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  • Q4

    Name the octants in which the following points lie:(2, 3, 4), (1, –2, 6).

    Marks:1
    Answer:

    I, IV

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  • Q5

    A point lies on the x-axis. What is its y-coordinate and z-coordinate?

    Marks:1
    Answer:

    y and z- coordinate both are zero.

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