JPurpz JPurpz
  • 17-06-2015
  • Mathematics
contestada

using the quadratic formula to solve 7x^2-x-7=0

Respuesta :

Panoyin
Panoyin Panoyin
  • 18-06-2015
[tex]7x^{2} - x - 7 = 0[/tex]
[tex]x = \frac{-(-1) \± \sqrt{(-1)^{2} - 4(7)(-7)}}{2(7)}[/tex]
[tex]x = \frac{1 \± \sqrt{1 + 196}}{14}[/tex]
[tex]x = \frac{1 \± \sqrt{197}}{14}[/tex]
[tex]x = \frac{1 + \sqrt{197}}{14}[/tex]    [tex]or[/tex]    [tex]x = \frac{1 - \sqrt{197}}{14}[/tex]
Answer Link

Otras preguntas

Why do starfish produce glue? Answer ASAP
Lines pp and qq are parallel. The slope of line pp is −3-3. What is the slope of line qq?​
What connection does the author draw between physiological and psychological reactions to a life threatening incident
what is the X intercept of the function graphed below
what's 11.094 * $17.27​
what was the bell bomber aircraft​
Where were Americans encouraged to grow their own in victory gardens
most of the People in the middle east are Muslim and speak Arabic. Which of the following does this explain? A. Why the Ottoman Empire controlled most of the r
Question 21 What comes next in the sequence? segundo, tercero, cuarto, ___________ Question 21 options: primero quinto noveno octavo Question 22 Complete: El __
choices 1 2 3 or 4 and hurry