Andre10222002 Andre10222002
  • 03-12-2018
  • Mathematics
contestada

Use the quadratic formula to find solutions to the quadratic equation given below. 2x2+x-1=0

Respuesta :

theinfinitehorse666
theinfinitehorse666 theinfinitehorse666
  • 03-12-2018

Answer:

[tex]\boxed{x = \frac{1}{2}} \text{and} \boxed{x = - 1}[/tex]

Step-by-step explanation:

The quadratic formula is: [tex]$\frac{-b \pm \sqrt{b^2 - 4ac}}{2a}$[/tex].

So plugging in all the values, we are left with [tex]\frac{-1 \pm 3}{4}.[/tex]

Then, we can solve for both values of x, which are [tex]x = 1/2[/tex] and [tex]x = -1[/tex]

Answer Link

Otras preguntas

again sorry to everybody but plesse help
Write an system of inequalities that would include every coordinate in quadrant 1 but no other coordinates.
What is happening to this graph when the x-values are between 4 and 8
Which resource is the main source of energy in the United States?
in the year 1900 who ran for re-election to become president of the United States for a second time
Solve for vvv: -\dfrac{9}{8}=v-\dfrac{1}{2}− 8 9 ​ =v− 2 1 ​
PLease Help Me [99 points]
what is 17 times 48
Which produces an ionic bond? A. Making neutrally charged atoms B. Sharing valence electrons C. Forming large molecules D. Creating an electrostat
What are the characteristics of successful budgets? What can you do to cultivate these successful characteristics in your own money management?