radboy15mdosy0oe radboy15mdosy0oe
  • 24-07-2017
  • Mathematics
contestada

What number must you add to complete the square? x^2+14x=-7

a. 196
b.7
c. 49
d. 14

Respuesta :

PastaMario
PastaMario PastaMario
  • 24-07-2017
To complete the square of a polynomial, use the term "(b / 2) ^ 2".

In this polynomial, the "b" term is 14.
Plug that in.

(14 / 2) ^ 2
7 ^ 2

49.

The answer is C.
Answer Link
wikk
wikk wikk
  • 24-07-2017
First you need to divide b by 2a.
14/2(1)
14/2 = 7

Then square that number you got.

7^2 = 49

The answer is C. 49.
Answer Link

Otras preguntas

HELP Name 3 heavy atoms that can only form in supernova explosions​
How do mosquito larva perform respiration
please help on this one?
Numbers 8, 10, and 11 pleaseplease help
The information included in a Reader's Guide entry should be saved to be used in the _______ of your paper.
Select the correct answer. Which comment is an example of constructive feedback? A.) The ending of your essay did it make sense. Why don’t you add something ex
I really need help What is the equation of a circle whose center is begin ordered pair negative 4 comma 6 end ordered pair and whose radius is 9 cm? A.open pare
PLZZZZZZ NEED HELP!!!!!!!
What best describes the flow of genetic formation
What are some reasons one would be excommunicated from the church?