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

The cost of 2 tv and 3 DVD player is $1421. The cost of 1 dvd is half of the tv. What's the cost of the tv
Which patriotic society was established to organize resistance to the taxes? A) Fighters for Freedom B) Colonial Captains C) Sons and Daughters of Libe
what kind of relationship would a mouse and a rabbit have
explain 1 way to add 3 digit numbers
What is the opposite of 1/3 and of -7/12
The Korean war was initiated by South Korea who wanted to unify the nation. True or False?
English is not a phonetic language. True False
4m-17 <6m+ 25 I don't understand ahh I'm scared I got it wrong
The rhythmic patterns of Indian music are called A. pungis. B. talas. C. veenas. D. tablas.
Where does the irrational number 1.8693… fall?