Radical equations and inequalities

9000020006

Level: 
A
Identify a true statement referring to the solution of the following equation. 3x−8=x−6
The equation has a unique solution and this solution is an odd number.
The equation has two solutions, the sum of these solutions is divisible by 5.
The equation has a unique solution and this solution is an even number.
The equation does not have a solution in R.

9000020008

Level: 
A
Identify a true statement referring to the solution of the following equation. 6x−13x+6=0 Hint: Use the substitution y=x.
The solutions x1 and x2 satisfy x1=1x2.
The equation has a unique solution x1. This solution satisfies x1<1.
The equation has a unique solution x1. This solution satisfies x1>1.
The equation does not have a solution in R.