quiz review...

just now, i had a quiz on chapter 4....which ive told ya b4 right....erm, overall, ok...just a bit shock and a bit blur2 ckit for a few minutes...soalan vector pun nervous..haha, tapi Alhamdulillah lpas doa ckit2....everything is ok....pergh, soklan unilevel projection lagi straight forward dari vector....xpe2....ape2 pun, test jumaat ni....gud luck frens...