pearlagarza pearlagarza
  • 18-09-2020
  • Mathematics
contestada

evaluate the expression below if x=-1 and y=3.
3x²-y²

Respuesta :

nataliasanxchez
nataliasanxchez nataliasanxchez
  • 18-09-2020
the answer is -12 I believe
Answer Link
hbj
hbj hbj
  • 18-09-2020

Answer:

-6

Step-by-step explanation:

3x² - y²

plug in x and y

3(-1)² - (3)²

according to PEMDAS, solve the exponents first.

3(1) - 9

multiply

3 - 9

subtract

= -6

Answer Link

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