snook48shopping
snook48shopping snook48shopping
  • 02-05-2022
  • Mathematics
contestada

Solve the system of equations. y=4x+5y=x2+12x+20

Respuesta :

LoveFakeOnlinePoints LoveFakeOnlinePoints
  • 02-05-2022

Answer:

 [tex]\begin{pmatrix}x=-3,\:&y=-7\\ x=-5,\:&y=-15\end{pmatrix}\\[/tex]

Step-by-step explanation:

[tex]\begin{bmatrix}y=x^2+12x+20\\ y=4x+5\end{bmatrix}[/tex]

[tex]\mathrm{Subtract\:the\:equations}[/tex]

[tex]y=x^2+12x+20[/tex]

[tex]y-y=x^2+12x+20-\left(4x+5\right)[/tex]

[tex]\mathrm{Simplify}[/tex]

[tex]0=x^2+8x+15[/tex]

Answer Link

Otras preguntas

x^2-9x+8 what is the Factor to this problem
Jennifer and Jessica come up with different answers to the same problem...
In which quadrant does the point (–10, 9) lie? A. Quadrant I B. Quadrant II C. Quadrant III D. Quadrant IV Need an actual answer...
Harriet Beecher Stowe's novel Uncle Tom's Cabin Answer was a. hailed as a marvelous work in the South. b. communicated the ills the industrial North posed on wo
In the Meselson-Stahl experiment, bacteria were grown in medium containing 15N and were then transferred to medium containing 14N. After three rounds of DNA rep
x-5y=2 and 9x+8=15 solve by substitution
which dispute with Britain was settled in 1846
is the sun considered a star?
Sumerian cities were characterized by A. canals, protective walls, and homes made of wood. B. some narrow, unpaved streets, protective walls, and homes made of
Which type of compound subject almost always takes a plural verb? a. singular compound subjects with or b. singular compound subjects with nor c. plural comp