nataliestcyr8
nataliestcyr8 nataliestcyr8
  • 01-09-2020
  • Mathematics
contestada

Evaluate the expression when a=-7. a^2+4a-2

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chikafujiwara
chikafujiwara chikafujiwara
  • 01-09-2020

Plug in the value to solve the expression.

[tex](-7)^2+4(-7)-2[/tex]

[tex]49-28-2[/tex]

[tex]19[/tex]

Hope this helps.

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Amphitrite1040
Amphitrite1040 Amphitrite1040
  • 31-10-2021

Hey there!

a^2 + 4a - 2

= -7^2 + 4(-7) - 2

= -49 - 28 - 2

= -77 - 2

= -79

Therefore, your answer is: -79

Therefore, your answer is: -79

Good luck on your assignment and enjoy your day!

~Amphitrite1040:)

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