shunnawillis0 shunnawillis0
  • 08-10-2019
  • Mathematics
contestada

what is the value of -2x^2-4x-11 if x=-3​

Respuesta :

harpazo
harpazo harpazo
  • 08-10-2019

Replace every x with -3.

-2(-3)^2 - 4(-3) - 11

-2(9) + 12 - 11

-18 + 1

-17

Answer Link
lozzymp
lozzymp lozzymp
  • 08-10-2019

Answer:

10

Step-by-step explanation:

-2x^2 = - -3^2  

         = 9

9-4x = 9- -12

        = 21

21-11= 10

Answer Link

Otras preguntas

the sales tax in the town where amanda lives is 7 %. amanda paid 35 in sales tax on a new stero . what was the price of the stereo
solve the following for b: a = 5b + 8c
How was the relationship between members of a colonial community similar to the relationship between the colonies? A. They both provided women with many opportu
What language did the Boers speak?
Copy out the text, changing the adjectives so that each agrees with the subject of the sentence: Ma prof (préféré) s'appelle Madame Black. Elle est (amusant) ma
List five major duties of American citizens
Which of the following were enemies of the Spanish in the quest of the new world
What realist artist painted working-class men and women?
You reserve 2/5 of the seats on the tour bus you are able to fill 5/8 of the seats you reserve what fraction of the seats on the bus are you able to fill
simplify numbers with the power of 0