9k2=4k

Simple and best practice solution for 9k2=4k 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 9k2=4k equation:



9k^2=4k
We move all terms to the left:
9k^2-(4k)=0
a = 9; b = -4; c = 0;
Δ = b2-4ac
Δ = -42-4·9·0
Δ = 16
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$k_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$k_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{16}=4$
$k_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-4)-4}{2*9}=\frac{0}{18} =0 $
$k_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-4)+4}{2*9}=\frac{8}{18} =4/9 $

See similar equations:

| 6m-8=28 | | 22y-18=46 | | 7k+8=-(24-k) | | m+516=-19 | | 2-3d=-3d+2 | | 6w-w=35 | | (6+3i)+(2-7i)=0 | | 15x=3(2x-5) | | 3+2a+5a=3 | | 5(x+7)=6(x-3) | | 62=5x-9 | | (2)/(3)(x+12)+(1)/(6)x=4 | | 4t=-3+4t | | 6(m-1)=3(3+5) | | 3÷4x-1125=1 | | -12+9m=24 | | 3x+13+5x-5=180 | | -2=-3r-1 | | 3x=x+150 | | -h-9=9+2h | | -c/6+5=2 | | -16=-2+2y | | 6b^2=16 | | 2u+-9=-3 | | 6(y-2)=4(3+3y) | | 2x-6+3=-3 | | /4x8=2 | | w/3+5=-10 | | 6/5-6=b | | 1+6r+r=1 | | 5*t-10=3*t-6 | | 6(2f+7)=3-f |

Equations solver categories