henrybat5000 henrybat5000

22-10-2018
Mathematics

contestada

What equation results from completing the square and then factoring? x^2 +4x=5

A. (x+2)^2 =9

B. (x+2)^2 =3

C. (x+2)^2 =7

D. (x+2)^2 =1

Respuesta :

sqdancefan sqdancefan

22-10-2018

Answer:

A. (x+2)^2 = 9

Step-by-step explanation:

To complete the square, you add the square of half the x-coefficient.

... x^2 +4x +(4/2)^2 = 5 + (4/2)^2

... x^2 +4x +4 = 9

Factoring gives you ...

... (x +2)^2 = 9 . . . . . . matches selection A

Answer Link

Otras preguntas

A line has a slope of 2/3 while another line has a slope of -3/2 What can you conclude about the lines

Ill give brainly, You have $8 and earn $1.25 for each health bar you sell. Write an equation in two variables that represents the total amount A (in dollars) yo

how should the organization keep track of the number of candy bars ordered and the number sold

Do curfews keep teens out of trouble?

How realistic do you think this film(contagion)was ? Explain in a well-developed essay. It should be at least 3 paragraphs with at least 4 sentences per paragr

how do i spell chicken strips?

12. Conflicts between Jefferson and Hamilton during President George Washington's first administration led directly to the 1) end of the Era of Good Feelings 2)

A vertical column of elements in the periodic table is called a . A horizontal row of elements in the periodic table is called a . Atoms of elements in the

What is 2 and 4/8 in simpliest form? Use the / for the fraction bar. The answer should look like #and #/#. PLS HWLP IF U KNOW I WILL MARK BRAINLIEST PLS ITS A

Graph the line. y= -3x-1