CLASS XI STRAIGHT LINE DPP 2

CLASS XI STRAIGHT LINE DPP 2

STRAIGHT LINE

1. Find the slope of a line passing through points (2,9) and (9,23)
2. Find the slope of a line 6x+3y+7=0
3. If (1,2), (3,4), (9,7) are collinear points, find a.
4. Find slope of line which makes 30° with +ve direction of x-axis
5. If lines 2x-y=3 and ax+by=q are parallel then find the Value of
  4b²+a²+4ab
6. Find the distance b/w 3x-4y=5 and 3x-4y+5=0
7. Find the distance of Point (1,2) from the line 7x+4y = 5
8. If ⟘ distance of (2,k) from the line x+y = 2 is 5 units.
9. If (2,3) lies on the line ax+y=6, then find the value of 3-2a.
10. Find y-intercept of the line xn-3y+15=0
11. Find the sum of x-intercept and y-intercept of the line.
      x/2 + y/4 = 3.
12. Find the angle b/w y - √3x = 1, √3y - x = 5
13. Find the obtuse angle b/w the lines x-y = 0 and x=0
14. If the line 6x-y +2 + k(2x+3y+13) = 0 is Parallel to x-axis then find k.
15. Find the equation of line passing through (3,3) and ⟘ to x-y = 4
16. Find equation of line passing through (2,2) and || to xy=5
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