quaneshadavispaa273 quaneshadavispaa273
  • 04-06-2019
  • Mathematics
contestada

What are the solutions of the following?

2x2 + 26x + 80

Your answer:

{5,8}


{-5,-8}


{4,10}


{-4, -10}

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 10-06-2019

Answer:

  (-5, -8)

Step-by-step explanation:

The expression can be divided by 2 to give ...

  x² +13x +40

The solutions to this will have a product of 40 and a sum of -13, the opposite of the x-coefficient. All of the offered choices have a product of 40, but only (-5, -8) has a sum of -13.

Answer Link

Otras preguntas

Describe how he cells appear during the building process
Plllllllsssssss hellppppppp meeeeee
Solve v^2+2v=0 by factoring
we grow rice in these field.what is subject object and verb​
Nick and Monica are paid $41.25 for their work. Nick worked 2.5 hours, and Monica worked 3 hours. They split the money according to the amount of time each of t
The genre of fiction that is often referred to as a rich mix of different ideas, techniques, and methods is called: fiction creative non-fiction sketch fiction
2. (a) Connect How do the works of art described in the story reflect the story's events? (b) Interpret What idea about the relationship between art and life is
Define the concept"risky behaviour​
Can u tell me the time please
(-12)+(-6)show the steps ​