Seudónimo Seudónimo
  • 16-05-2017
  • Mathematics
contestada

What are the solutions to the system?
y = x2 + 2x – 45
y = -3x + 5

help please and show all work.

Respuesta :

ak78
ak78 ak78
  • 16-05-2017
y = x² + 2x – 45
y = -3x + 5

-3x + 5 = x² + 2x – 45
x² + 5x – 50 = 0
x has two values 5 and -10
x = 5 => y = -10
x = -10 => y = 35

Good luck.
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Аноним Аноним
  • 16-05-2017
for number one, its x=−1−√​y+46​​​,−1+√​y+46​​​
for number two, its x=-y-5/3
hope this helps.
Answer Link

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