tommyanstiss
tommyanstiss tommyanstiss
  • 02-11-2021
  • Mathematics
contestada

evaluate the expression when y=-3

evaluate the expression when y3 class=

Respuesta :

mimilana
mimilana mimilana
  • 02-11-2021
y=-3
subtitute to y^2 + 6y +8
= (-3)^2 + 6(-3) + 8
= 9-18+8
= -1
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charlief22
charlief22 charlief22
  • 02-11-2021

Answer:

-1

Step-by-step explanation:

Substitute in the known variables:

[tex]y^2 + 6y + 8\\(-3)^2 + 6(-3) + 8\\[/tex]

[tex]-3 * -3 = 9\\(-3)^2 = 9[/tex]

[tex]9 + 6(-3) + 8\\9 + (-18) + 8\\9 - 18 + 8[/tex]

= -1

Hope this helps!

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