X squared = k and the null factor

Solve this equation, giving the positive solution

 $x^2=81$  

Solve this equation, for the positive solution

 $2x^2=128$  

What are the solutions to this equation

 $3x^2=867$  

•  $\pm9$  

•  $\pm13$  

•  $\pm17$  

•  $\pm21$  

•  $\pm3\pi$  

Is -5 a solution for

 $\left(x-3\right)^2=64$  ?

• Yes

• No

• I have no idea

Find the solutions of

 $\left(x-5\right)^2=100$  

• -5, +5

• -5, 15

• 5, 15

• -5, -15

• No idea

Find the positive solution of

 $5\left(3x+1\right)^2=8000$  

What is the non-zero answer of

 $2x\left(3x-6\right)=0$  ?

What is the non zero answer of

 $5x\left(x-1\right)=0$  ?

One solution to

 $4x\left(x-3\right)=0$   is  $x=3$  

What is the other solution?

 $-7k\left(4-k\right)=0$  has two solutions. One solution is Zero, what is the other?