shunnawillis0 shunnawillis0

08-10-2019
Mathematics

contestada

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

Respuesta :

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

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

Jamie rolls a pair of six sided number cubes .what is the probability that the sum of the numbers on the number cubes is either an multiple of five or an odd n

Gary is 3 years older than twice the age of his sister, Elena.

Which of the graphs is the correct representation of x > -3?

The table shows the height of a plant as it grows. Which equation in point-slope form gives the plant's height at any time? A) y-21=7/2(x-3) B)7-21=7(x-3) C)y-

Pleaseeee help!!!! I will mark you as brainlinest for correct answer!!!!

I need help please!!!!!!

Which of the following influenced the outlook of the romantic poets of Byron's generation the founding principles of ancient Greek democracy Enlightenment faith

Why is the texas governor's power exceptionally weak as compared to that of the governors of some other states? plural executive system tenure limits lack of a

40 PTS!!!! HELP Which best identifies the source for "Hand Signals" ? a. Department of Education b. Department of Veterans Affairs c. National Institutes of

Each decision has something that you give up, called the _____ . cost benefit want