Math Problem Statement
What are the coordinates of the point on the x-axis whose distance from the point B (-3, 4) are in the ratio 1: 2? Question 13Answer a. (9, 0) b. (35, 0) c. (7, 6) d. (-9, 0)
Solution
To find the coordinates of the point on the x-axis, we can use the section formula. The section formula allows us to find the coordinates of a point dividing a line segment in a given ratio.
Problem Breakdown:
- The point is given.
- We need to find the point on the x-axis, where the distance between and is in the ratio 1:2.
- The point divides the segment (where is the origin ) in the ratio 1:2.
Step 1: Use the section formula
The formula to find the coordinates of a point dividing a line segment in the ratio is:
where and are the coordinates of the points that the segment joins, and is the given ratio.
Step 2: Apply to this case
- The coordinates of are .
- The coordinates of are .
- The ratio .
Using the section formula, the coordinates of the point dividing in the ratio 1:2 are:
Since we're looking for a point on the x-axis, the correct answer should be .
So the coordinates of the point are (-1, 0). None of the options match this exactly. There could be an error in the choices listed or in interpreting the conditions
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Math Problem Analysis
Mathematical Concepts
Coordinate Geometry
Section Formula
Formulas
Section formula: P(x, y) = ((n * x1 + m * x2) / (m + n), (n * y1 + m * y2) / (m + n))
Theorems
Section formula
Suitable Grade Level
Grades 8-10
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