lilahpickett0211 lilahpickett0211
  • 08-05-2020
  • Mathematics
contestada

y=x^2-4x+6 and y=x+2

Respuesta :

jb417902
jb417902 jb417902
  • 08-05-2020

Answer:

(1,3) and (4,6)

Step-by-step explanation:

----Solve by substitution---

[tex]x^2-4x+6=x+2[/tex]

Add 4x to both sides

[tex]x^2+6=5x+2[/tex]

Subtract 2 from both sides

[tex]x^2+4=5x[/tex]

Subtract 5x from both sides

x^2-5x+4 = 0

Factor , = (x-4)(x-1)

First variable : x = 1 and x = 4

-------------------------------

Substitute 1 for x in the 2nd equation

y=(1)+2 = 3

First answer is (1,3)

---------------------------------

Substitute 4 for x in the 1st equation

4^2-4(4)+6 = 6

Second answer: (4,6)

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