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Mathematics

9th

grade

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T1 Straight lines: equations, parallel and perpendicular

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Marcela Duprat

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14 questions

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  • 1. Multiple Choice
    15 minutes
    1 pt
    Image

    State which, if any, of the following lines are parallel.

    Select the correct answer from the list below:

    c and d

    c, d, and e

    a, b, and c

    a,b, and d

  • 2. Multiple Choice
    15 minutes
    1 pt

    Find the equation the line perpendicular to  4y+5x=24y+5x=2  

    and passes through the point (4,3).

    Select the correct answer from the list below:

    y=−54x−12y=-\frac{5}{4}x-\frac{1}{2}

    y=45​x− 15y=\frac{4}{5}​x−\ \frac{1}{5}

    y=−54​x+53y=-\frac{5}{4}​x+\frac{5}{3}

    y=5x+2y=5x+2

  • 3. Multiple Choice
    5 minutes
    1 pt
    Image

    Calculate the gradient of the line drawn below.

    Gradient=2Gradient=2

    Gradient=−4Gradient=-4

    Gradient=12Gradient=\frac{1}{2}

    Gradient=−2Gradient=-2

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