SOLUTION: Solve the following equation by using the quadratic formula: p^2+8p+16=0

Algebra ->  Real-numbers -> SOLUTION: Solve the following equation by using the quadratic formula: p^2+8p+16=0      Log On


   



Question 255413: Solve the following equation by using the quadratic formula: p^2+8p+16=0
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
p^2+8p+16=0
p+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+
p=(-8+-sqrt[8^2-4*1*16])/2*1
p=(-8+-sqrt[64-64])/2
p=(-8+-sqrt0)/2
p=(-8+-0)/2
p=-8/2
p=-4 ans.
Proof:
4^2-8*4+16=0
16-32+16=0
32-32=0
0=0