Question

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

Answer 1

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

Answer 2

\[\frac{ 14\pm \sqrt{12.96} }{ 2 }\]

Answer 3

is that right?

Answer 4

its -14

Answer 5

not 14

Answer 6

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

Answer 7

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

Answer 8

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

Answer 9

\[\frac{ -14 \pm \sqrt{224} }{ 14 }\]

Answer 10

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

Answer 11

can you put in numbers what ur trying to say?

Answer 12

\[ \frac{ -14\pm \sqrt{14.96} }{14}\]

Answer 13

\[\frac{ -14 \pm 12\sqrt{61} }{ 14 }\]

Answer 14

howd u get that?

Answer 15

\[\sqrt{244} = 12\sqrt{61}\]

Answer 16

Thank you for your help.

Answer 17

no problem