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

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

Respuesta :

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.

頑張って!

Answer Link
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:)

Answer Link

Otras preguntas

how can you perform math and physics and what you should do to catch up
Whose power increased after the fall of the Roman Empire? Islam, Jews, the Catholic Church, or the pagans?
Can someone please help me ?
Which sentence contains a redundancy? A) We love this store because it is full of foreign imports from other countries. B) People were lined up before dawn
Photosynthesis reactions mainly occur in the ______________ of plants. A. stems B. flowers C. roots D. leaves D is the answer
what is internal respiration?
Need help.don’t understand
Taja walks two miles north from her door to the park, then returns home to her door distance and displacement
PLEASE HELP URGENT CHALLENGING
Write your answer in simplest form. 11 2/16 - 8 3/16