The point B best represents the value of root of 38 in the given number line.
What is the root of a number?
The root or square root of a number is a number when multiplied by the same number will result in the first number.
Here, √38 = 6.164
On the given number line points B, C, and D are on between 6 and 7.
Now, the value of the point D seems to be closer to 7.
The value of the point C is almost in the middle of 6 and 7.
Only the point B is closer to 6.
Hence, the point B best represents the value of √38.
Learn more about the root of a number here: https://brainly.com/question/15608645
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