Q55.Let L denote the line in the xy-plane with x and y intercepts as 3 and 1 respectively. Then the image of the point (−1, −4) in the line is : (1) ( 115 , 285 ) (2) ( 295 , 85 ) (3) ( 85 , 295 ) (4) ( 295 , 115 )
What This Question Tests
This question tests the ability to find the equation of a line from given intercepts and then apply the formula for finding the image of a point with respect to that line.
Concepts Tested
Formulas Used
x/a + y/b = 1
(x'-x₁)/A = (y'-y₁)/B = -2(Ax₁+By₁+C)/(A²+B²)
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📋 Question Details
- Chapter
- Straight Lines
- Topic
- Equation of a line, image of a point
- Year
- 2020
- Shift
- 06 Sep Shift 2
- Q Number
- Q55
- Type
- MCQ
- NCERT Ref
- Class 11 Mathematics Ch 10: Straight Lines
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