Question

Pedro and Ana have comments regarding the expression 2√18. Pedro said that the expression is equivalent to: 18√2 while ANA says that the expression is equivalent to 6√2. Regarding this conversation. What alternative of the following is correct?

1- Ana is right because she broke the root.

2- Peter is right to break the root.

3- None is right

4- It can not be determined due to lack of information.

Answer 1

Answer:

Pedro and Ana have comments regarding the expression 2√18. Pedro said that the expression is equivalent to: 18√2 while ANA says that the expression is equivalent to 6√2. Regarding this conversation. What alternative of the following is correct?

1- Ana is right because she broke the root.

2- Peter is right to break the root.

3- None is right

4- It can not be determined due to lack of information.

Step-by-step explanation:

(1) is correct - ana is right

$2 \sqrt{18} = 2 \sqrt{3 \times 3 \times 2}$

$= 3 \times 2 \sqrt{2 } = 6 \sqrt{2}$

hope it helps!!