I have a couple of algebra questions which I'm stuck on. Any help would be appreciated.

#1:

x/2 + y/7 = 1

How can I re-arrange it so that is in the form y=

#2:

How do you find the turning point of a quadratic equation such as: y=x^2 + 6x + 8

#3:

Find the value(s) for k for which 2(x-1)^2 + 2k = 10 has

a) exactly one real solution

b) no real solutions

I don't even know where to start on this one

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Thanks

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Thanks for all the help Now I can finally finish my homework.