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help with geometry/graphs question?

hey everyone, would it be okay if someone could check my answer for this question?

I worked out that the line that A, P, Q and B are on is y = -3/4x + 11/4.
Then I thought that the statement meant Q is the midpoint of AB so I thought that B was (9, -4)?

The statement about the altitude confused me but I took it as C being directly above P so the x coordinate of C is 4? The length of AB is 10 so the length of PC is 10. The only way this is possible is if C is (4, 9.75)?

And so the final answer would be 4*9.75*150 = 5850?? I'm asking because no one else I know got this answer :redface:

Any help would really be appreciated :smile:

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(edited 7 years ago)

Reply 2

helpingbuddyxo

Sorry I didn't realise those diagrams uploaded 3 times... it was coming up with errors so I kept retrying and now I can't delete them...

anyway, they're what i think the triangle looks like

Reply 3

helpingbuddyxo

Ah sorry, I just remembered that the altitude of the triangle would be perpendicular to AB!

If someone could just check my answer for the point B that would be great :smile:

Reply 4

helpingbuddyxo

please