foewbfbjsbd foewbfbjsbd
  • 02-04-2018
  • Mathematics
contestada

Solve this quadratic equation using the quadratic formula.

x 2 + 8x - 5 = 0

Respuesta :

pscott1
pscott1 pscott1
  • 02-04-2018
8x+2x=10x-5=0
X=0
-5=0
No solution
Answer Link
Аноним Аноним
  • 02-04-2018
x² + 8x - 5 = 0

a = 1, b = 8, c = -5

[tex]x = \dfrac{ -b \pm\sqrt{b^2-4ac} }{2a} [/tex]

[tex]x = \dfrac{ -8 \pm\sqrt{8^2-4(1)(-5)} }{2(1)} [/tex]

[tex]x = 0.58 \text{ or} -8.58 \text { (nearest hundredth)}[/tex]

----------------------------------------------
Answer: x = 0.58 or -8.58
----------------------------------------------

Answer Link

Otras preguntas

When are temperature differences between urban and rural land greatest? Why?
What is the value of f(6)
Answer it with metaphors Compare harmony and a sound
Was all the blood shed associated with the French Revolution justifiable? Explain. 15 points
Which Region is known for rugged mountains and fertile valleys and is known for fishing, timber, and oil industries? A.Great Plains B.Basin and Ridge C.Pacific
The price h of a recently bought house plus 10% property tax
urine is removed from the bladder through the ​
If mass is measured in kg and acceleration is measured in m/s^2, what units would force be measured in? This unit is also know as a newton (N).
HELP EMERGENCY, I'll give brainiest
please help i will give extra points