Question

2x2 + 9x + 4 = 0 solve by using the quadratic formula.

Answer 1

\[ax^2+bx+c=0\implies x=\frac{-b\pm \sqrt{b^2-4ac}}{2a}\]Work it out for yourself.

Answer 2

just substitute a,b and c into the eqn provided by bendt...
here
a=2
b=9
c=4

Answer 3

and verify the results by factoring.

Answer 4

Aww thanks you're awesome:)

Answer 5

That was another method of finding the roots...
Sorry, i deleted it thinking it might confuse you...

Answer 6

It's okay you still tried to help so that's all that matters:)