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Example 1 (a) - Chapter 9 Class 11 Straight Lines
Last updated at August 11, 2026 by Teachoo
Chapter 9 Class 11 Straight Lines
Concept wise
- Cordinate geometry questions
-
Slope - Finding slope
- Slope - Prependicularity
- Angle between two lines by Slope
- Collinearity of 3 points by sliope
- Point Slope form
- Slope-Intercept form
- Intercept form
- Normal form
- Given Statement
- Two lines // or/and prependicular
- Angle between two lines
- Distance - Between two parallel lines
- Distance of a point from a line
- Distance of a point from a line along a line
- Other Type of questions - Area of Triangle formed
- Other Type of questions - 3 lines Concurrent
- Other Type of questions - Image
- Other Type of questions - Mix
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Transcript
Example 1 Find the slope of the lines: Passing through the points (3, โ2) and (โ1, 4) We know that slope between two points (x1, y1) & (x2, y2) is m = (๐ฆ_2 โ ๐ฆ_1)/(๐ฅ_2 โ ๐ฅ_1 ) Here x1 = 3, y1 = โ2, & x2 = โ1, y2 = 4 Putting values Slope = (4 โ (โ2))/(โ1 โ 3) = (4 + 2)/( โ4) = 6/( โ4) = ( โ๐)/๐
