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 ( 28+ )
Otras preguntas
A radioactive isotope has half-life of one year. How much of the original sample will be present after the third year? 1. 1/2 2. 1/4 3. 1/8 4. 1/16
Simplify 3/4 + 3/8 - 4/3
21. Define specific purpose
2/3x+2 -x-3 solution and the steps how to do it
what is the point (4,7) after a rotation of 90 counterclockwise about the origin.
What is an equation of the line that passes through the point (-4,-6) & is parallel to the line 3x-y =6
Kylie has $500 to open a checking account. She wants an account with the lowest fees. She sometimes writes a check for more money than she has in her account. S
Write an exponential growth or Decay function for each situation.
Please help!!!!' Brayden invested $510 in an account paying an interest rate of 3 3/4 % compounded monthly. Sarah invested $510 in an account paying an interest
One of the roots of the equation 5x^2+bx+24=0 is 8. Find the other root and the value of the coefficient b.
