cjack13 cjack13
  • 19-04-2017
  • Mathematics
contestada

What number must you add to complete the square?

x^2 + 8x = -3

Respuesta :

Аноним Аноним
  • 19-04-2017
x^2 + 8x = -3
x^2 + 8x + 16 = -3 + 16
using a^2 + 2 a b + b^2 = (a+b)^2

x^2 + 8x + 16 = 13

(x +4)^2 = 13

answer : 16 is the number you must add to complete the square
Answer Link

Otras preguntas

Answer the following questions using words from your vocabulary list. Be careful with the spelling and accent marks so you'll get an accurate score. Include the
what happened in russia in 1917 that led the united states to justify its involvement in world war 1 as a fight for democracy
In the number of 5062973, what is the value of each of these digits?
what effect did mining have on the west
Making a pillow requires 3/4 yard of fabric. How many pillows can you make with 12 yards of fabric?
on a map of the city,1inch represents 1.5 miles.what distance on a map would represent 12 miles
What's the answer to 10b - b+1
Solve each proportion 8 into v=56 into 105
Which part of speech is the underlined word? "Those people kept talking throughout the concert" Underlined word- throughout
What devastating historic event compelled many European countries to work together in order to prevent future conflicts?