Gibbs Kelly
05/12/2024 · High School
Find point \( Q \) on \( \overline{R S} \) that is \( \frac{5}{8} \) of the distance from \( R \) to \( S \).
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Tutor-Verified Answer
Step-by-step Solution
To find point \( Q \) on line segment \( \overline{RS} \) that is \( \frac{5}{8} \) of the distance from point \( R \) to point \( S \), we can use the concept of dividing a segment in a given ratio.
Let \( R \) and \( S \) be represented by their coordinates in a coordinate system. Assume:
- \( R = (x_1, y_1) \)
- \( S = (x_2, y_2) \)
The distance from \( R \) to \( S \) can be expressed as:
\[
\text{Distance} = S - R = (x_2 - x_1, y_2 - y_1)
\]
To find point \( Q \) that is \( \frac{5}{8} \) of the way from \( R \) to \( S \), we can use the section formula. The coordinates of point \( Q \) can be calculated as follows:
\[
Q = R + \frac{5}{8}(S - R)
\]
Substituting the coordinates of \( R \) and \( S \):
\[
Q = (x_1, y_1) + \frac{5}{8}((x_2 - x_1), (y_2 - y_1))
\]
This simplifies to:
\[
Q = \left( x_1 + \frac{5}{8}(x_2 - x_1), y_1 + \frac{5}{8}(y_2 - y_1) \right)
\]
Now, we can further simplify the coordinates of \( Q \):
\[
Q = \left( x_1 + \frac{5}{8}x_2 - \frac{5}{8}x_1, y_1 + \frac{5}{8}y_2 - \frac{5}{8}y_1 \right)
\]
\[
Q = \left( \frac{3}{8}x_1 + \frac{5}{8}x_2, \frac{3}{8}y_1 + \frac{5}{8}y_2 \right)
\]
Thus, the coordinates of point \( Q \) that is \( \frac{5}{8} \) of the distance from \( R \) to \( S \) are:
\[
Q = \left( \frac{3}{8}x_1 + \frac{5}{8}x_2, \frac{3}{8}y_1 + \frac{5}{8}y_2 \right)
\]
This gives us the exact location of point \( Q \) on the segment \( \overline{RS} \).
Quick Answer
The coordinates of point \( Q \) are \( \left( \frac{3}{8}x_1 + \frac{5}{8}x_2, \frac{3}{8}y_1 + \frac{5}{8}y_2 \right) \).
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