Maths P2 Help 2007 oct Q9 plz help exams tom

[nolife4now]

x^2 +4x-8 can be written in the form (x+p)^2+q
find q and p

 

[ahmedmo]

x^2 +4x-8 can be written in the form (x+p)^2+q
find q and p

x2 + 4x – 8

(x + p)2 + q
X2 + 2XP +P2 + q

x2 + 4x – 8 = X2 + 2XP +(P2 + q)

then 4X = 2XP P =4/2 = 2

(P2 + q) = -8 q = -P2 - 8 = - 4 - 8 = -12

P=2 and q = -12

 

[Muqeet Malik]

Muqeet Malik
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AOA FRIENDS.I AM VERY WORRIED I WANT TO ASK ONE THING. GUYS I HAVE DONE THREE QUESTIONS Q2 ,Q3 and Q 5 but GUYS IN QUESTION 5 in a part I WROTE Q5a and then I did it's b and c part but the problem is that in b and c part I by mistake wrote answer 4b and 4cwhile I had written anwers of 5 b and 5 c but all my question 5 is in CPU finite meaning that I did write 5a but then by mistake 4b and 4c just I numbered them wrong. So what will happen I am very worried.Ihave written correce answer only number b and c part wrong but ŵill my all marks be cut.I am really worried.Plz reply
Muqeet Malik, Today at 7:11 PM DeleteReport#5