epicHeckman
epicHeckman epicHeckman
  • 09-08-2021
  • Mathematics
contestada

At what points do these graphs intersect
y=x²-x-6
y=x+2

Respuesta :

mhanifa
mhanifa mhanifa
  • 09-08-2021

Answer:

Solve algebraically

Eliminate y:

  • x² - x - 6 = x + 2
  • x² - 2x = 8
  • x² - 2x + 1 = 9
  • (x - 1)² = 3²
  • 1)  x - 1 = 3 ⇒ x = 4 ⇒ y = 6
  • 2) x - 1 = -3 ⇒ x = -2 ⇒ y = 0

The solution is:

  • (-2, 0), (4, 6)

Solve graphically

See the attached

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spammingallowed
spammingallowed spammingallowed
  • 18-08-2021

Answer:

[tex]thank \: you[/tex]

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