# CBSE Class 11 Mathematics Straight Lines Assignment Set B

Read and download free pdf of CBSE Class 11 Mathematics Straight Lines Assignment Set B. Get printable school Assignments for Class 11 Mathematics. Standard 11 students should practise questions and answers given here for Chapter 10 Straight Lines Mathematics in Grade 11 which will help them to strengthen their understanding of all important topics. Students should also download free pdf of Printable Worksheets for Class 11 Mathematics prepared as per the latest books and syllabus issued by NCERT, CBSE, KVS and do problems daily to score better marks in tests and examinations

## Assignment for Class 11 Mathematics Chapter 10 Straight Lines

Class 11 Mathematics students should refer to the following printable assignment in Pdf for Chapter 10 Straight Lines in standard 11. This test paper with questions and answers for Grade 11 Mathematics will be very useful for exams and help you to score good marks

### Chapter 10 Straight Lines Class 11 Mathematics Assignment

Chapter: - Straight Lines and Conic Sections

Q1.What point on x-axis is equidistant from the points A (1, 3) and B (2,-5)

Ans. (19/2, 0)

Q2. For what values of x, the area of the triangle formed the points (5, -1), (x, 4) and (6, 3) is 5.5 sq. units?

Ans. 7/2 or 9

Q3. A line cut off intercepts -3 and 4 on x and y-axis respectively. Find the slope and equation of the line.

Ans. 4/3, 4x -3y +12 =0

Q4. Find the equation of a line parallel to x-axis at a distance of 3 units above x-axis.

Ans. y=3

Q5. Find the value of c and m so that the line y = m x +c may pass through the points (-2, 3) and (4,-3)

Ans. c=1, m= -1

Q6. Mid-points of the sides of a triangle are (2, 2), (2, 3) and (4, 6). Find the equations of the sides of a triangle.

Ans. 3x- 2y =2, 2x-y =1, x=4

Q7. Find the equations of the medians of the triangle whose vertices are (2, 0), (0, 2) and (4, 6).

Ans. x=2, 5x-3y=2, x-3y +6 =0

Q8. Show that the points (a, 0) (0, b) and (3a, -2b) are collinear Also find the equation of the line containing them.

Ans. bx + ay =ab

Q9.Find the new coordinates of the point(3,-5) if origin is shifted to the point (2,3) by a transformation of axes.

Ans. (1,-8)

Q10. Find the equation of the line such that segment intercepted by the axes is divided by the points (-5,4) in the ratio 1:2.

Ans. 8 x -5y +60 =0

Q11. Find the equations of the medians of the triangle ABC whose vertices are A (2, 5), B (-4, 9) and C (-2,-1)

Ans. 8x-y+15=0, x-5y+23=0, 7x+4y-8=0

Q112. Find the image of the point (-8, 12) with respect to the line mirror 4x+7y+13=0.

Ans. (-16,-2)

Q13 Find the equation of the line passing through the intersection of the lines 3x-4y+1=0 and 5x+y-1=0 and cutting off equal intercepts on the coordinate axes.

Ans. 23x+23y=11

Q14. Find the coordinates of the foot of the perpendicular from a point (-1, 3) to the line 3x-4y=16

Ans. 68/25,-49/25)

Q15. Find the equation of the line parallel to y- axis and drawn through the point of intersection of x-7y+5=0 and 3x+7y=7

Ans. x=1/2

Q16. Find the equation of parabola with focus at (5, 0) and directrix x+5=0, Also find the length of latus rectum.

Ans. y2 =20x, 20

Q17. For the parabola y2=-12x, Find the coordinates of focus, the equation of directrix and length of latus rectum.

Ans. (-3, 0), x=3, 12

Q18. Find the equation of parabola with vertex at origin and having directrix y=2

Ans. x2=-8y

Please click the below link to access CBSE Class 11 Mathematics Straight Lines Assignment Set B

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