Question

What are the exact solutions of x2 − 5x − 1 = 0?

x = the quantity of 5 plus or minus the square root of 29 all over 2
x = the quantity of negative 5 plus or minus the square root of 29 all over 2
x = the quantity of 5 plus or minus 2 times the square root of 5 all over 2
x = the quantity of negative 5 plus or minus 2 times the square root of 5 all over 2

Answer 1

Plug into the quadratic formula: a = 1, b = -5 and c = -1

Answer 2

\[\frac{ 5\pm \sqrt{25 -4ac} }{ 2}\]

can you do it?

Answer 3

yeah