hennadoshi
hennadoshi hennadoshi
  • 02-05-2017
  • Mathematics
contestada

pls help me answer this quickly!!

pls help me answer this quickly class=

Respuesta :

NoJoke
NoJoke NoJoke
  • 02-05-2017
This is basically proving the quadratic formula. B is the correct answer.

Here is what I did after step 5:

x²+bx/a+b²/4a² = b²/4a²  -  4ac/4a²

(x + b/2a )²  =  b²-4ac/4a²  (The answer)

√(x+b/2a)²  =  + or -  √b²-4ac/4a²

x+b/2a  =  + or - √b²-4ac/2a

x = -b/2a + or - √b²-4ac/2a
Answer Link

Otras preguntas

IDEAS FOR RECONSTRUCTION, explain why they are good ideas?
power set of {e,f,m,n,o}
Where does the Liberty Bell hang?
true or false the american revolution was fought by the american colonies and china??
Which two U.S. presidents were impeached?
How to find the inverse of the function f(x)=2x-3 ? Please
What do tire treads, rubber mats, automobile breaks, and tennis shoes have in common. -They reduce friction -they are lubricants -they increase friction -the
Two men who signed the Declaration of Independence went on to become U.S. presidents. Who were they?
The economy of the Hopewell people of North America was based on?a. no sedentary activities, but trading of plants for medicine.b. full-scale domesticated agric
What do tire treads, rubber mats, automobile breaks, and tennis shoes have in common. -They reduce friction -they are lubricants -they increase friction -the