shayshayshay1432
shayshayshay1432 shayshayshay1432
  • 13-02-2019
  • Mathematics
contestada

value of - x2 - 4x -11 if x = -3

Respuesta :

sparklyypillss
sparklyypillss sparklyypillss
  • 13-02-2019

Answer:

-8

Step-by-step explanation:

-x^2 - 4x - 11

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

-9 -(-12) - 11

-9 + 12 - 11

3 - 11

-8

Answer Link
wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 13-02-2019

Answer:

-8

Step-by-step explanation:

- x2 - 4x -11

Let x = -3

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

Exponents first

-9 -4(-3) -11

Then multiply

-(9) +12-11

Now add and subtract

3-11

-8

Answer Link

Otras preguntas

what is a device that transforms thermal energy to mechanical energy
rewrite the expression without using grouping symbols. -6(8+12)
what times what equal 16?
Can water and pebbles form a solution?
You bought a car for $25,000. You have owned it for one year, and it is now worth $21,000. What is the percent decrease in your car's value?16%19%84%119%
Can water and pebbles form a solution?
The distance from home plate to second base is about 127.3 ft.  1.  How would you find the distance between the bases.2.  Estimate the distance between the base
in rabbits, black fur is dominant over white fur.  Show the cross of a heterozygous black male with a homozygous white female.
Mr. Jacob is 55 years old and tony is 7 years old. in how many years will mr. Jacobs be 4 times as old as Tony
what times what equal 16?