Question

Select whether the equation has a solution or not.

square root x - 5 = 4

a. roots
b. no roots

Answer 1

The answer is: [A]: "roots".
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Note: √(x+5) = 4 ;

Square each side:

[√(x+5)] ² = 4² ;

x + 5 = 16 ;

Subtract "5" from each side of the equation;

x + 5 - 5 = 16 - 5 ;

to get: x = 11 ;

So, yes; there is a solution.
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