
Here we will show you how to find the distance between the points (1,6) and (9,-7) using a formula. In other words, you have the points (1,6) and (9,-7) 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 (1,6) and (9,-7) so it is easy to follow along:
(1,6) and (9,-7) = (x₁,y₁) and (x₂,y₂)
x₁ = 1
y₁ = 6
x₂ = 9
y₂ = -7
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 (1,6) and (9,-7), is as follows:
d = √(x₁ - x₂)² + (y₁ - y₂)²
The next step is to enter our points into the formula. When we enter (1,6) and (9,-7) into the formula, we get this:
d = √((1) - (9))² + ((6) - (-7))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 (1,6) and (9,-7):
d = √((1) - (9))² + ((6) - (-7))²
d = √(-8)² + (13)²
d = √64 + 169
d = √233
d ≈ 15.2643
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