Distance between the points (-7,3) and (9,-9)

Distance between (-7,3) and (9,-9)

Here we will show you how to find the distance between the points (-7,3) and (9,-9) using a formula. In other words, you have the points (-7,3) and (9,-9) on a two-dimensional graph with an x-axis and a y-axis, and you want to find the distance between the two points.

We start by labeling and coloring the points (-7,3) and (9,-9) so it is easy to follow along:

(-7,3) and (9,-9) = (x₁,y₁) and (x₂,y₂)

x₁ = -7
y₁ = 3
x₂ = 9
y₂ = -9

Next, we will show you the formula you can use to calculate the distance between two points. The formula to calculate the distance (d) between two points, such as (-7,3) and (9,-9), is as follows:

d = √(x₁ - x₂)² + (y₁ - y₂)²

The next step is to enter our points into the formula. When we enter (-7,3) and (9,-9) into the formula, we get this:

d = √((-7) - (9))² + ((3) - (-9))²

All we need to do now is solve the equation above. Here is the math and the answer to the distance (d) between the points (-7,3) and (9,-9):

d = √((-7) - (9))² + ((3) - (-9))²

d = √(-16)² + (12)²

d = √256 + 144

d = √400

d = 20

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