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 ( 81+ )
Otras preguntas
How and where has oil, road development, mining, dams and agriculture contributed to local economic, political, and land use issues?
A car travels at 65 miles per hour. Going through construction, it travels at 3/5 this speed. Write this fraction as a decimal and find the speed
how many atoms in C9H8O4
A 75 force is applied to the side of a crate resting on a level floor. The crate has a mass of 25kg. If the coefficient of static friction is .15, is the 75 N f
Which words in this sentence are common nouns? The American people listened to President Roosevelt's speech. Choose all answers that are correct. A. speech B.
If five slices of pizza cost $5.50, how much do two slices cost? Ten slices? Half a slice ?
A jar contains 133 pennies. a bigger jar contains 1 2/7 times as many pennies. what is the value of the pennies in the bigger jar?
What is 3/50 as a decimal And show work
A car travels at 65 miles per hour. Going through construction, it travels at 3/5 this speed. Write this fraction as a decimal and find the speed
The cost for n students to attend a workshop is 7n+12 dollars. What is the cost,in dollars for students to attend?
