Distance Between Points

Distance Between Points

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Length of Horizontal Line

Difference between the x values

(x₂ - x₁ )

Graphing

To find the distance between, (2, 0) and (10, 0).

Notice that y-values are equal, this means that the line is horizontal.

To find the distance we subtract the x-values.

Distance= 10 - 2 = 8 units

Fill in the Blanks

Find the distance between (0, 4) and (5, 4).

Fill in the Blanks

Find the distance between (2, 4) and (5, 4).

Fill in the Blanks

Find the distance between (-1, 2) and (5, 2).

Length of Vertical Line

Difference between the y-values

(y₂ - y₁ )

Fill in the Blanks

Find the distance between (0, 1) and (0, 5)

Fill in the Blanks

Find the distance between (2, 1) and (2, 7)

Fill in the Blanks

Find the distance between (-1, -2) and (-1, 5)

Distance Between two points

Graphing

To find the distance between (2, 2) and (8, 9).

Notice that the points are neither vertical nor horizontal.

To find the distance, we use the formula:

distance = $$\sqrt[]{\left(x_2-x_1\right)^2\ +\left(y_2\ -\ y_1\right)^2}$$ .

Distance = $$\sqrt[]{\left(8\ -2\right)^2+\left(9-2\right)^2}$$

Distance = $$\sqrt[]{6^2\ +\ 7^2}\ \ =\ \sqrt[]{36\ +\ 49}$$

Distance = $$\sqrt[]{85}$$

Multiple Choice

What is the distance between the two points?

• 6.3

• 6.5

• 6.7

• 16

Multiple Choice

What is the distance between the points? Round up to the nearest tenth, if needed.

• 4.4

• 4.5

• 4.6

• 5.1

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