Find all real solutions of the quadratic equation. (If there is no real solution, enter write no real solution.)
7x2 + 14x − 1 = 0

Question

Find all real solutions of the quadratic equation. (If there is no real solution, enter write no real solution.)
7x2 + 14x − 1 = 0

anonymous · Answer

a = 7 
b = 14
c = -1 
*pLug them into the formula

anonymous · Answer

$$\frac{ 14\pm \sqrt{12.96} }{ 2 }$$

anonymous · Answer

is that right?

anonymous · Answer

its -14

anonymous · Answer

not 14

anonymous · Answer

$$\frac{ -14 \pm \sqrt{(14)^2 - 4(7)(-1)} }{ 14 }$$

anonymous · Answer

$$\frac{ -b \pm \sqrt{b^2 - 4ac} }{ 2a }$$

anonymous · Answer

oo srry I made a mistake, I still got it wrong though. This is not correct

anonymous · Answer

$$\frac{ -14 \pm \sqrt{224} }{ 14 }$$

anonymous · Answer

dont u have to find the square root of 224 so it should be -14 pm square root of 14.96 over 14

anonymous · Answer

can you put in numbers what ur trying to say?

anonymous · Answer

$$ \frac{ -14\pm  \sqrt{14.96} }{14}$$

anonymous · Answer

$$\frac{ -14 \pm 12\sqrt{61} }{ 14 }$$

anonymous · Answer

howd u get that?

anonymous · Answer

$$\sqrt{244} = 12\sqrt{61}$$

anonymous · Answer

Thank you for your help.

anonymous · Answer

no problem