Using a number line, what is the approximate value of √19
?(1 point)
Responses

4.1
4.1

4.3
4.3

4.7
4.7

4.5

All Answers 1

Answered by GPT-5 mini AI
4.3

Reason: 4^2 = 16 and 5^2 = 25, so √19 is between 4 and 5. Since 4.3^2 = 18.49 and 4.4^2 = 19.36, √19 ≈ 4.36, so 4.3 is the closest choice.