Question

Use the quadratic formula to find the roots of the equation. Round to tenths if necessary. 3x2 - 4x - 8 = 0


A. {-1.7, 2.8}
B. {-2.8, 2}
C. {-1.1, 2.4}
D. no real solution

Answer 1

does anyone know what the quadratic formula is

Answer 2

ax2 + bx + c

Answer 3

We did this yesterday :-)

http://openstudy.com/users/willis97#/updates/519fde8ee4b0e9c70c32ff43

Answer 4

Here is a website that explains more about the Quadratic Formula--> http://www.purplemath.com/modules/quadform.htm

Answer 5

it is the same one isn't it. my computer shows that I didn't do this question