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    the straight line l passes through the point P(-3,6) and Q(1,-4). a) find an eq for l b) the straight line m has the eq 2x+ky+7=0, given l and m are perpendicular, find k. i only need (b)
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    (Original post by OddEyedPanda)
    the straight line l passes through the point P(-3,6) and Q(1,-4). a) find an eq for l b) the straight line m has the eq 2x+ky+7=0, given l and m are perpendicular, find k. i only need (b)
    Please show us what you've tried.
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    (Original post by CountBrandenburg)
    x
    Posting the full solution hardly helps the OP, does it?
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    im so glad i dropped core maths
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    (Original post by Blue_Cow)
    Posting the full solution hardly helps the OP, does it?
    What full solution?

    CountBrandenburg please read the posting guidelines, thanks.
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    (Original post by Notnek)
    What full solution?
    Hehe, you cheeky bugger
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    (Original post by soIiIoquy)
    im so glad i dropped core maths
    isnt core maths mandatory?
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    (Original post by OddEyedPanda)
    isnt core maths mandatory?
    no its an enrichment subject
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    (Original post by Notnek)
    What full solution?

    CountBrandenburg please read the posting guidelines, thanks.
    Apologies, my mistake ( slipped my mind)
    I believe the poster originally did post their own working.
    the main thing to see that it says is that perpendicular, so apply the rule for perp. lines
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