maths(did i do this right)
posted by britney .
write 3x*2+8x25 in the form a(x+h)*2+k where a,h and k are real numbers
formulae for h=b/2a
formulae for k=4acb^2/4a
h=8/2*3=1.33
4 (3)+ (25)8*2/4*3=152/12=12.6
3(x12.6)^2=1.33/3
x12.6=+0.67
x=0.67+3.55=4.22
x=0.67+3.55=2.88

maths(did i do this right) 
bobpursley
Correct.

maths(did i do this right) 
Air
Idon't know!!! that's tooo hard!!
Respond to this Question
Similar Questions

Math
I am in 7th Grade and have some holiday homeworks. Please help. 1. Write all the algebraic identities. 2. Write the statement & proof for remainder theorem & factor theorem each. 3.Write all the quadrilaterals and their properties. … 
maths!
1/f= 1/u + 1/v make f the subject of the formulae thank you in advance! 
maths
make the letter in the bracket the subject of the formulae: v=u3t (t) a=b4c (c) 
maths
make v the subject of the formulae: v=2v+3u 
Computer Science
w w w (dot)cs(dot)umass(dot)edu(slash)~verts(slash)coins105(slash)quizzes(slash)images(slash)hw10(dot)gif Using the constants in cells A2:A9, create formulae for cells A12:A15 (surrounded by a dark line) to compute the corresponding … 
maths plse help me..
Is eulers formulae true for spheres and cylinder ,please explain 
physics
write an derival quantity,formulae and unit 
Chemistry
For each reaction, write the chemical formulae of the oxidized reactants in the space provided. Write the chemical formulae of the reduced reactants in the space provided. 2AgNO3 + Cu > 2Ag + Cu(NO3)2 Reduced:Cu>Cu+ +1e Oxidized: … 
Science
I have homework in which it asks "Describe the difference between elements, mixtures and compounds. (I have done the first sentence as it was fairly easy. Next is the part I don't understand) You need to draw their chemical formulae … 
maths trigonometry
Expand the following using compound angle formulae Sin(mn) Cos(p55)