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

Which individual right is found in both the Texas Bill of Rights and the United States Bill is Rights? A.) Rights to free speech. B.) right to free
the quadrant is the point (-4,5) ​
help i rly need help :)
Please check if I did this right. If not please correct so I’ll understand what I did wrong.
What postwar issues caused the western allies and the soviet union to disagree?
the quadrant is the point (-4,5) ​
Parallelogram DEFG is transformed to parallelogram VSTU. Which statement about the transformation is true? Parallelogram DEFG is the pre-image because it is not
Which of the following is a prewriting activity ?
Which sequence are geometric? Check all that apply
Harry drives a delivery van and has several deliveries to make. He is in Horseshoe Bay and has a delivery to make in Highcliffe. What is the approximate distanc