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For which pair of points can you use this number line to find the distance?

A number line going from negative 2 to positive 8 in increments of 1. Points are at 0 and 3.
(0, 3) and (3, 0)
(1, 0) and (–1, 3)
(2, 0) and (2, 3)
(–1, 0) and (–1, –3)

User Jvecsei
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8.6k points

1 Answer

3 votes

Answer:

Explanation:

To find the distance between two points on a number line, you can simply subtract the coordinates of the points. Let's evaluate each option:

1. (0, 3) and (3, 0):

The distance between 0 and 3 on the number line is 3 units, but the given points are (0, 3) and (3, 0), which do not lie on the number line. Therefore, you cannot use this number line to find the distance between these points.

2. (1, 0) and (–1, 3):

The points (1, 0) and (–1, 3) also do not lie on the number line going from -2 to 8 in increments of 1. Therefore, you cannot use this number line to find the distance between these points.

3. (2, 0) and (2, 3):

The points (2, 0) and (2, 3) do lie on the number line going from -2 to 8 in increments of 1. Since both points have the same x-coordinate, the distance between them is simply the difference in their y-coordinates, which is 3 - 0 = 3 units. Therefore, you can use this number line to find the distance between these points.

4. (–1, 0) and (–1, –3):

Similar to option 3, the points (–1, 0) and (–1, –3) also lie on the number line. Since both points have the same x-coordinate, the distance between them is the difference in their y-coordinates, which is 0 - (-3) = 3 units. Therefore, you can use this number line to find the distance between these points.

In summary, you can use the number line going from -2 to 8 in increments of 1 to find the distance between the points given in options 3 and 4:

(2, 0) and (2, 3)

(–1, 0) and (–1, –3)

User Michael Zlatkovsky
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8.4k points

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