rachelle200612 rachelle200612

24-06-2021
Mathematics

contestada

If using the method of completing the square to solve the quadratic equation x^2+8x+11=0, which number would have to be added to "complete the square"?

Respuesta :

pketlele03 pketlele03

24-06-2021

Answer:

4

Step-by-step explanation:

x²+8x+11=0

x²+8x+(+4)²-(+4)²+11=0

Answer Link

mhs23cranei mhs23cranei

31-01-2022

Answer:

16

Step-by-step explanation:

x2+8x= −11−11

28=4→(4)2=16

x2+8x+16=x2+8x+16= −11+16−11+16

(x+4)2= 55

16

Answer Link

Otras preguntas

I want its solution and the unit is about algebraic fraction.

WILL MARK AS BRAINIEST IF RIGHT IF F(X) is a linear function f(-4)= -5 and f(1)=-2 Find an equation for f(x)

You are on a team of developers writing a new teacher tool. The students names are stored in a 2D array called “seatingChart”. As part of the tool, a teacher ca

The emotion evoked by a text. Writers use many devices to create it: Dialogue, Setting, and plot

What is the value of v? (help no links and thx)

What is the purpose of the Zoom dialog box? to put the selected range in ascending order in a query to put the selected range in descending order in a query to

in a class with 28 students, 18 learn English and 13 learn French. Some students learn both languages. What is the number of students learning both languages?a)

Macro-settings occur within micro-settings. True or False

Short Plot Description (What is the book about?): What is the book of saint Louis Armstrong beach about? Help me pls

2. In your own words, summarize this law. Document c The sedition act of 1918 This is an excerpt from the Sedition Act, signed into law by President Woodrow W