issavaldez12345
issavaldez12345 issavaldez12345
  • 08-04-2021
  • Mathematics
contestada

Find the x-intercept(s) Round to nearest hundredth if needed y=-2x^2-8x-4​

Respuesta :

hefhamcpep0trxq
hefhamcpep0trxq hefhamcpep0trxq
  • 08-04-2021

y=-2x^2-8x-4

-2x^2-8x=4

divide by negative 2

x^2+4x=-2

complete the square

(x+2)^2=-2+4

(x+2)^2=2

x+2=±[tex]\sqrt{2}[/tex]

x=-2±[tex]\sqrt{2}[/tex]

nearest hundreths,

x=-0.59

x=-3.41

Answer Link

Otras preguntas

Mary likes to relax by hiking in the woods, which is also a great way to exercise.
why did people living on the plains of central Africa practice herding
why did most merchants not travel the entire distance from china to the middle east to trade their goods a. difficult terrain b. taxes c. language barriers d. a
How do u use the word holograph in sentence How do u use the
Lieutenant Colonel James Doolittle led what action in 1942? air attacks on Tokyo retreat to the Bataan Peninsula a sea battle using airplanes and an aircraft ca
Besides using some measure of science, alchemists resorted to using _________ to do what science seemed unable to accomplish
there are 4 red, 6 yellow and 6 blue socks in the drawer. if the sock is not replaced after it is drawn,what is the probability of drawing a red and then a blue
Blood is transported throughout the body through both arteries and veins, but a significant difference between the two is the presence of valves in veins. Some
I need help simplifying the following: m+2/m-3
How did Egyptian rulers govern their empire