Thread: some algebra and distance formula

P = (4, -3, 7) Q = (-2, 5, 1) R= (3, 0, k)

PR=QR

What is K……

using normal algebra i got a slightly off answer.... arrggg

Originally Posted by stones44

P = (4, -3, 7) Q = (-2, 5, 1) R= (3, 0, k)

PR=QR

What is K……

using normal algebra i got a slightly off answer.... arrggg

we want

was that what you did? there should be much trouble working these out, the squares will cancel so you need only deal with a linear equation

yeah i got it...i was just off 1 number..that messed it ALL up