Question

1/7x^2+1/7x-2/7. what are all real zeros

Answer 1

please clarify, is this what you want?\[\frac{ 1 }{ 7 }*x^{2} + \frac{ 1 }{ 7 } *x - \frac{2}{7}\]

Answer 2

yes it is. thank you im so confused because of the fractions

Answer 3

okay, as this is a parabola you can use the formula and do \[\frac{ -b + \sqrt{b^2 - 4 a c} }{ 2a }\]
your a will be 1/7 the b 1/7 and c -2/7

Answer 4

You can see the parabola and more infos about it in here: http://www.wolframalpha.com/input/?i=%281%2F7%29+x%5E2+%2B+%281%2F7%29+x+-+2%2F7

If you have any more doubts just ask

Answer 5

thank you so much man