Identify all true statements

√9 is a rational #
√-1 is NOT a rational #
√ab=√a *√b
√a+b=√a+√b
9y√3 and 9√3y are like radicals
^3√5 is the symbol for the square root of 5
√a-b ≠ √a-√b

Question

Identify all true statements


√9 is a rational #
√-1 is NOT a rational # 
√ab=√a *√b
√a+b=√a+√b
9y√3 and 9√3y are like radicals
^3√5 is the symbol for the square root of 5
√a-b ≠ √a-√b

terenzreignz · Answer

Miss Butterfly... we meet again ;)
Shall we go through them one by one?

anonymous · Answer

hiiiiii yes please i need to get this one right to pass my assigment  please help

terenzreignz · Answer

Let's start with
$$\large \sqrt9 \ \text{ is a rational number }$$
What exactly is a rational number?

terenzreignz · Answer

A rational number is a number that you can express as a fraction, with both its numerator and denominator integers.  So, can you do that with the square root of 9?

anonymous · Answer

yes by 3?

terenzreignz · Answer

First of all, what exactly is the square root of 9?

anonymous · Answer

3?

anonymous · Answer

heeeeelp

terenzreignz · Answer

Sorry.  Was preoccupied.  3... which is an integer, right?

anonymous · Answer

yes

terenzreignz · Answer

Are not all integers also rational numbers?

anonymous · Answer

yes

anonymous · Answer

Identify all true statements


√9 is a rational #
√-1 is NOT a rational # 
√ab=√a *√b
√a+b=√a+√b
 


are these all true statements?

terenzreignz · Answer

Two of them are not always true...