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

how do you now 11/33 is a simplest form
what is the prefix of enactment?
Predict what happens when zinc is added to water
What is the Geocentric theory in your own words?
The decline in medieval trade was caused by
the perimeter of a square is 4 times as great as the length of any of its sides. Determine whether the perimeter of the square is proportional to the side lengt
HOW TO FIND THE MISSING NUMERATOR IN ANY FRACTIONS LIKE 4/8=  ?/4
the perimeter of a square is 4 times as great as the length of any of its sides. Determine whether the perimeter of the square is proportional to the side lengt
SAT Help Jack can paint a house in 5 days, and Richard can paint the same house in 7 days. Working together, how long will it take them to finish the job? How d
next term in sequence 61, 122, 244, 488