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

I need help please help!
During the era of reform studied, which was the last group to win rights they fought for?
what kind of woman is mollie mathewson?
What effect does inhalant drug have on the brain ??
Why does summer zoom by and winter drag on forever?
Which of the follow will happen if you miss a monthly credit card payment?
Photon energy is proportional to which of the following quantities? speed of light in a vacuum frequency of the light emitting the photon intensity of the ligh
The ratio of boys to girls in a computer class is 5:3. There are 27 girls in the class. How many boys are in the class
Research a famous historical figure from a French speaking country. You may consider finding information on Louis Pasteur, Napoleon Bonaparte, Pierre and Mari
What is the meaning genetic recombination?