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# core mathematics watch

1. 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)
2. (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.
3. (Original post by CountBrandenburg)
x
Posting the full solution hardly helps the OP, does it?
4. im so glad i dropped core maths
5. (Original post by Blue_Cow)
Posting the full solution hardly helps the OP, does it?
What full solution?

6. (Original post by Notnek)
What full solution?
Hehe, you cheeky bugger
7. (Original post by soIiIoquy)
im so glad i dropped core maths
isnt core maths mandatory?
8. (Original post by OddEyedPanda)
isnt core maths mandatory?
no its an enrichment subject
9. (Original post by Notnek)
What full solution?

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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