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

What do “Tepeyac” and “Marian Anderson: Famous Concert Singer” have in common?
Who enforced anti-slave trade laws by sending warships to intercept slave ships?
Round the following times to 1 decimal place 8.16
What are four beliefs held by democrats? And what are four beliefs held by republicans?
12% is 90% of what number?
The process by which a cell divides into two daughter cells is called A. cell division. B. metaphase. C. interphase. D. mitosis.
What is the smallest four digit odd number you can make
3 times the sum of 1/3 of a number and 8 is 11
how did the loyalists and patriots differ on the issue of independence for the colonies?
What is 9m + 2 = 3m - 10