kimbers
kimbers
03-06-2015
Mathematics
contestada
x^2-8x+5=0 Solve by completing the square.
Respuesta :
konrad509
konrad509
03-06-2015
[tex]x^2-8x+5=0 \\ x^2-8x+16-11=0\\ (x-4)^2=11\\ x-4=-\sqrt{11} \vee x-4=\sqrt{11}\\ x=4-\sqrt{11} \vee x=4+\sqrt{11}\\[/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 59+ )
Otras preguntas
What value for A makes this equation true? 4 • 48 = (4 • 40) (4 • B)
What is 0.60 as a fraction and a decimal of tenths?
What are two conductive materials separated by an insulator,and used to store electric potential energy?
Which statement is correct? The two tiles are not similar because segment SP is to segment SR is 4 : 7 and segment MJ is to segment ML is 1 : 3. The two tiles a
After six weeks, the tomato plant that was given extra plant food and water was 26 centimeters tall. The tomato plant that was not given any extra plant food wa
Which statement describes the relationship between the rulers of Europe and the Catholic Church during the Crusades? European rulers contributed military leader
4. Jenny got a job at the packaging plant for Lennox. Which sentence uses the word plant in the same way it is used above? Eucalyptus is a plant that is mainly
What is carbon dioxide narcosis?
f(x)= |3x-4|+2, find f(-10)
Enter the word that best completes the sentence. Word Bank bearing lark plume turf When people don’t agree about who has control of an area, they argue about th