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core mathematics

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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Avatar for Notnek
Notnek
21
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.
Original post by CountBrandenburg
x


Posting the full solution hardly helps the OP, does it?
(edited 6 years ago)
im so glad i dropped core maths
Reply 4
Avatar for Notnek
Notnek
21
Original post by Blue_Cow
Posting the full solution hardly helps the OP, does it?

What full solution? :smile:

@CountBrandenburg please read the posting guidelines, thanks.
(edited 6 years ago)
Original post by Notnek
What full solution? :smile:


Hehe, you cheeky bugger :biggrin:
Original post by soIiIoquy
im so glad i dropped core maths


isnt core maths mandatory?
Original post by OddEyedPanda
isnt core maths mandatory?


no its an enrichment subject
Original post by Notnek
What full solution? :smile:

@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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