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

convert the following3000m/s to km/min.​
Summarize the story of Romulus and Remus
Which of the following is an example of a irrational number between 6 and 7? A. 2 pi B. 6.875 C. 6.12345... D. Both a and c E. All of the above
Ramona cares deeply about Raül, but does not feel any passion for him. Raül, on the other hand, has feelings of great longing accompanied by physical arousal wh
Understanding opportunity cost You work as an assistant coach on the university basketball team and earn $15 per hour. One day, you decide to skip the hour-long
2.(LC) Which sentence has parallel structure? (5
Slope is -2/3, and (-6,-5) is on the line
In which organelle are ribosomes embedded? a. smooth endoplasmic reticulum b. peroxisome C. rough endoplasmic reticulum d. nucleus e. lysosome
Solve for x. x= ____
Are forces of attraction among the particles in all mater? true or false.