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

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

how do you write 1.00 as a percentage

Find the slope of the line 6x – 2y = 6

Breann solved the system of equations below. What mistake did she make in her work? 2x + y = 5 x − 2y = 10 y = 5 − 2x x − 2(5 − 2x) = 10 x − 10 + 4x = 10 5x − 1

The equation of a circle whose center is at ( 4,0 ) and radius is length 2 ( square root ) 3

Peter mixes 4 1/4 of orange juice, 2 1/4 cups of ginger ale, and 6 1/3 cups of strawberry lemonade to make some lunch what is the total number of cups of punch

What impact did the Mongol Peace have on interaction between East and West?

Which time is faster 5.3 or 5.19

how do you write 1.00 as a percentage

The following are true about the Jewish concept of monotheism except the gods of all other peoples were believed to be mere idols. God could be both vengeful an

Solve the system, using substitution. Write the solution as an ordered pair (m,n). 2m-3n= 6, m= 3-2n.