jamesfirst
Active Member
- Joined
- Jan 30, 2010
- Messages
- 2,005
- Gender
- Male
- HSC
- 2011
Right ?
FML I GOT RADIUS 8 and werid center. i think i did completing the square wrong and effed my algebraaRight ?
did the sameeeee
Don't you know how to expand man ???but then i got x^2 + 2x +2 +y^2 +x^2 -6x +9 +y^2 =40
OMFG I was up to that stage and they said pens down times up I didn't find the answer but I did all that shit ah well probs get 2/3
WRONG. lolzcentre (1,0) radius 19^(1/2)
derp
damm just realized myDon't you know how to expand man ???
DAMMIT! that's what i gotcentre (1,0) radius 19^(1/2)
derp
I did that. What do U after to find centre and radius?
You and me both, man. I just finished expanding when they announced "pens down". Grrrr.OMFG I was up to that stage and they said pens down times up I didn't find the answer but I did all that shit ah well probs get 2/3