Answer:
Step-by-step explanation:
5/4
<span>B is the answer as the square root of 2 times the negative square root of 2 would be -2, which is a rational number.</span>
There are two expressions that can work for this: 0.8x and x-0.2x Hope this helps :)
A solution to a equation is when the variable is substituted fully. That makes the equation true.