Question

Solve the following quadratic equation using the quadratic formula and then choose the correct solution set.

5x2 + 7x = 6
{-2, 2}
{-2, }
{-, 2}

Answer 1

(-2.0.6)

Answer 2

http://media01.switchedononline.com/g_alg01_2011/9/127.gif

Answer 3

This is the formula they use. Can you use it and work it step by step?

Answer 4

\[x _{1,2}=-7\pm \sqrt{7^{2}-4*5*(-6)}/2*5=-7 \pm \sqrt{49+120}/10=(-7\pm 13)/10=(-2,3/5)\]

Answer 5

{-2,3/5}