8k^2-31=

Simple and best practice solution for 8k^2-31= equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 8k^2-31= equation:


Simplifying
8k2 + -31 = 0

Reorder the terms:
-31 + 8k2 = 0

Solving
-31 + 8k2 = 0

Solving for variable 'k'.

Move all terms containing k to the left, all other terms to the right.

Add '31' to each side of the equation.
-31 + 31 + 8k2 = 0 + 31

Combine like terms: -31 + 31 = 0
0 + 8k2 = 0 + 31
8k2 = 0 + 31

Combine like terms: 0 + 31 = 31
8k2 = 31

Divide each side by '8'.
k2 = 3.875

Simplifying
k2 = 3.875

Take the square root of each side:
k = {-1.968501969, 1.968501969}

See similar equations:

| a^2+7+10=0 | | q:(4q-6n)/(3m)=f | | 8x+2(9x-7)=64 | | x^2-6x+9=55 | | 37=s+7 | | 40-27=30 | | 6-3+4x=2x+1 | | .75x-0.5=x+1.5 | | 6-3+4x+1=7x+9 | | -7(x-4)+4=32 | | x^2+6x+9=55 | | (3/5)^2•25 | | 8/5=n/7=21/p | | 8x+18=10x+8 | | 2z(z+4)=2z^2+8z-8 | | 54/7v=-106 | | 10x^2+x+11=0 | | 6-3+4x+1=8x+8 | | -.8(.25-.5b)=-1.2 | | 0.5+4x=20 | | 0.07(6t+4)=0.42(t-3)+1.54 | | 3b-6-7b-5= | | -8(3d+6)=-26 | | 6-3+4x+1=3x+1 | | (-8+-9i)(5-i)=0 | | 2/5t=21=15 | | -13+5=-2(x+8) | | 6-3+4x+1=6x+9 | | 10000=3.14*256*h | | z/16=27/z | | (2x+5)(x-4)=(x+7)(x-4) | | (1/5)^x=125 |

Equations solver categories