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

how can i solve 5.5x+32=57
What is a U.S. engineer's ride?
1 inch of rain per year or less in grassland? Is this a lot or a little of rain?
What are the (3) most common elements that bond together to form organic compounds?
Which is better salary offer$550per 40-hour week or $13.00 per hour for 40 hours
How do I solve 15+(5-x)/x=30
Explain why the relationship is not linear.
what does 10a-a-a-a equal
Why is the ability to adjust conclusions when necessary important to critical thinking?
Eddie is 7 years older than Brian.  If Brian is x years old, then how old was Eddie 11 years ago?