Question

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

4.5
4.5

4.3
4.3

4.1
4.1

4.7

Answer 1

√19 ≈ 4.3589. Since 4.3^2 = 18.49 < 19 < 19.36 = 4.4^2, √19 is between 4.3 and 4.4. The closest option given is 4.3.