Using a number line, what is the approximate value of 19−−√?(1 point)
Responses
-2
To find the approximate value of √19 using a number line, we can start by plotting the √19 on the number line.
1. Begin by drawing a number line and labeling the positive and negative directions.
-∞ <- 0 -> +∞
2. Approximate the square root of 19. The square root of 19 is between 4 and 5 since 4^2 = 16 and 5^2 = 25.
3. Plot the square root of 19 (√19) on the number line between 4 and 5. However, since √19 is not an exact whole number, we can estimate its position.
4. Therefore, the approximate value of √19 using a number line is between 4 and 5.