Which of the following is the correct application of the quadratic formula for the equation 6x^2-7x+2 = 0 ?

Select one:
a. x=(-6+-sqrt(36+56))/(4)
b. x=(7+-sqrt(49-48))/(12)
c. x=(-6+-sqrt(36+56))/(-7)
d. x=(7+-sqrt(49+48))/(-12)

i dont know what quadratic formula is?

Question

Which of the following is the correct application of the quadratic formula for the equation 6x^2-7x+2 = 0  ?

Select one:
a. x=(-6+-sqrt(36+56))/(4)
b. x=(7+-sqrt(49-48))/(12)
 c. x=(-6+-sqrt(36+56))/(-7)
d. x=(7+-sqrt(49+48))/(-12)

i dont know what quadratic formula is?

mathstudent55 · Answer

The solution to the equation $ax^2 + bx + c = 0$ is 

$x = \dfrac{-b \pm \sqrt{b^2 - 4ac}}{2a} $