SOLUTION: Give exact and approximate solutions to three decimal point places. x^2 - 7x + 5 = 0 Use radicals as needed and separate answers with a comma. Thanks!!

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: Give exact and approximate solutions to three decimal point places. x^2 - 7x + 5 = 0 Use radicals as needed and separate answers with a comma. Thanks!!      Log On


   

Question 321264: Give exact and approximate solutions to three decimal point places.
x^2 - 7x + 5 = 0
Use radicals as needed and separate answers with a comma.
Thanks!!
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
x^2 - 7x + 5 = 0
x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+
x=(7+-sqrt[-7^2-4*1*5])/2*1
x=(7+-sqrt[49-20])/2
x=(7+-sqrt29)/2
x=(7+-5.385)/2
x=(7+5.385)/2
x=12.385/2
x=6.193 ans.
x=(7-5.385)/2
x=1.615/2
x=.808 ans.