srbryant
srbryant srbryant
  • 04-05-2021
  • Mathematics
contestada

what number completes the square x^2+18x+_____
(a).81
(b) .324
(c) .-9
(d).9

Respuesta :

Аноним Аноним
  • 04-05-2021

Step-by-step explanation:

a) 81 is the answer of your question

hope it is helpful to you

Ver imagen Аноним
Answer Link
DontEatBats DontEatBats
  • 04-05-2021
(a+b)^2= a^2 +2ab+b^2

First you divide 18 by 2 which equals to 9

To complete the square multiply that number by itself
9^2=81

So the correct choice is A
Answer Link

Otras preguntas

What are some facts about Themistocles of Greece?   I know he was an Athenian general and politician. I have a project for history where I need to act JUST LIKE
Explain why animals must eat food, but plants do not have to.
How do u add 10 to 2 digits numbers
On a map what do black dots usually represent?
How do u write 6 tenths in simplest form
The product of two consecutive odd integers is 77 more than twice the larger integer.find the integers.
solving fraction equations:  Write the solution in simplest form 6 1/4 = z + 1 5/8
a fossil form when an organism buried in sediment dissolves leaving a hollow area
list two ways that American Indians and European colonists were allies
Explain why animals must eat food, but plants do not have to.