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

what makes the speaker describe differently the springtime scene?
how did England benefit from the colonies ?
which issue is not a problem for the polish economy
Why do these movies videos and stories make money for the producers and authors
I have to write a skit about a popular girl and a nerd (Pantomime only) I need to establish a relationship, location and I need a conflict and a climax with a s
How many flat whole cubes would I use to model 1,200
jasmine bought 7 yards of fabric. the total cost was $45.63. what was the average cost per yard of the fabric she bought?
the dna of a cell is organized into structures. what are these structures called?
why does the energy decrease as you go up an energy pyramid
A high-speed train traveled 2200 miles in 10 hours without making any stops through the countryside of a rural area of southern france. How fast did the train t