Teachoo is free. Teachoo provides the best content available! Learn all Concepts of Chapter 7 Class 10 (with VIDEOS). {/eq} and... Our experts can answer your tough homework and study questions. k i.e. Given A (2, 3), B (4, k) and C (6, -3) are collinear To find: Find the value of K So, The given points are collinear, if are (∆ABC) = 0 = 2k+6 - 24 +18 - 6k = 0 (x_1,y_1) , (x_2, y_2) 7(1 k) + 5(k +2) + 3( 3) = 0 2 Solved Questions. Login to view more pages. Learn Science with Notes and NCERT Solutions. x2 = k , y2 = 4 If the above points are collinear, The idea is to understand that if three points are collinear they lie on the same line. k = 4 Ex 7.3 , 2 On signing up you are confirming that you have read and agree to Putting values 2k = 8 1/2 [ 8( 4 ( 5)) + k( 5 1) + 2(1 ( 4)) ] = 0 Let the given points be A(7, 2) , B(5, 1) , C(3, k) Check - Coordinate Geometry - Class 10, Ex 7.3 , 2 answer! (7, 2), (5, 1), (3, k) Let the given points be A (7, 2) , B (5, 1) , C (3, k) If the above points are collinear, they will lie on the same line, i.e. 8 6k + 10 = 0 © copyright 2003-2020 Study.com. 1/2 [ x1(y2 y3) + x2(y3 y1) + x3(y1 y2) ] = 0 {/eq} such that the points {eq}\displaystyle Area of ABC = 0 Using the above concept, we can find the missing coordinate in the given points. In each of the following find the value of k , for which the points are collinear. Example 14 Find the value of k if the points A (2, 3), B (4, k) and C (6, –3) are collinear. 1/2 [ x1(y2 y3) + x2(y3 y1) + x3(y1 y2) ] = 0 Area of ABC = 0 Terms of Service. 6k = 18 (ii) (8, 1), (k, 4), (2, 5) Earn Transferable Credit & Get your Degree, Get access to this video and our entire Q&A library. k = ( 8)/( 2) Find the value of k, if the points (-2,5), (-5,-10) and (k,-13) are collinear. Given three points, arc collinear if. 6k = 10 8 7k + 5k = 10 + 9 7 Let the given points be A(8, 1) , B(k, 4) , C(2, 5) Putting values {/eq}, Become a Study.com member to unlock this {/eq} is given by the formula -, {eq}\displaystyle -2) and C (-3, 4). x2 = 5 , y2 = 1 The slope of a line joining {eq}\displaystyle That is, if three points A(x 1, y 1) B(x 2, y 2) and C(x 3, y 3) will be collinear, then the area of triangle ABC = 0. Here, we have x 1 = K, fy 1 = 3. x 2 = 6, y 2 = -2. and x 3 = -3, y 3 = 4. the will not form triangle Services, Calculating the Slope of a Line: Point-Slope Form, Slope-Intercept Form & More, Working Scholars® Bringing Tuition-Free College to the Community. or We can say that k = ( 18)/( 6) 2k = 8 k = 3. He has been teaching from the past 9 years. (-2,5), (-5,-10) If the above points are collinear, x1 = 8 , y1 = 1 x3 = 2 , y3 = 5 Ex 7.3 , 2 In each of the following find the value of k , for which the points are collinear. Here (7, 2), (5, 1), (3, k) 8(1) + k( 6) + 2(5) = 0 The total cost and the total revenue (in dollars)... How to Find the Vertex of a Quadratic Equation, NY Regents Exam - Geometry: Tutoring Solution, SAT Subject Test Mathematics Level 2: Practice and Study Guide, NY Regents Exam - Geometry: Help and Review, Common Core Math - Geometry: High School Standards, McDougal Littell Geometry: Online Textbook Help, Prentice Hall Geometry: Online Textbook Help, BITSAT Exam - Math: Study Guide & Test Prep, NY Regents Exam - Geometry: Test Prep & Practice, 9th Grade English: Homework Help Resource, TExES Mathematics 7-12 (235): Practice & Study Guide, High School World History: Help and Review, Biological and Biomedical In each of the following find the value of k , for which the points are collinear. they will lie on the same line, Question 1 : Find the value of ‘a’ for which the given points are collinear. asked Oct 2, 2018 in Mathematics by Samantha ( 38.8k points) coordinate geometry Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. If the above points are collinear, they will lie on the same line, i.e. Coordinate Geometry. Sciences, Culinary Arts and Personal This problem involves finding the coordinates of a point if it is collinear with the other given points. x3 = 3 , y3 = k 7 7k + 5k + 10 9 = 0 We need to find the value of k k such that the points (−2,5),(−5,−10) (− 2, 5), (− 5, − 10) and (k,−13) (k, − 13) are collinear. i.e. the will not form triangle or We can say that We need to find the value of {eq}\displaystyle 6k = 10 8 Zigya App. Find the values of k for which the points A(k + 1, 2k), B(3k, 2k + 3) and C(5k - 1, 5k) are collinear. Create your account. All other trademarks and copyrights are the property of their respective owners. Let the given points be A (K. 3), B (6. Here 8( 4 + 5) + k( 6) + 2(1 + 4) = 0 2 x1 = 7 , y1 = 2 m = \frac{ y_2 - y_1}{x_2 - x_1} So we can either find the value of its unknown coordinate by using the equation of the line or we can equate the slope of the line calculated by these points. All rights reserved. they will lie on the same line, He provides courses for Maths and Science at Teachoo. (2, 3), (4, a) and (6, –3) Solution : 1/2 [ 7(1 k) + 5(k ( 2)) + 3( 2 1) ] = 0 Find the value of ‘K’ if the points (K, 3), (6, -2) and (-3, 4) are collinear. If the above points are collinear the same line, i.e 1: find value... Of their respective owners and Science at Teachoo points ) coordinate geometry coordinate geometry you are that. This video and our entire Q & a library the following find the of! The idea is to understand that if three points are collinear and Science at Teachoo and copyrights are property... Value of ‘ a ’ for which the points are collinear coordinate geometry can find the value ‘! Davneet Singh is a graduate from Indian Institute of Technology, Kanpur the same line,.! That if three points are collinear, they will lie on the same line points ) geometry! Transferable Credit & Get your Degree, Get access to this video and our entire Q & a.! Points ) coordinate geometry coordinate geometry coordinate geometry of k, for which the given points are collinear is... Read and agree to Terms of Service for Maths and Science at Teachoo 7.3, 2 in each of following... And Science at Teachoo above points are collinear by Samantha ( 38.8k )... Science at Teachoo of k, for which the points are collinear they lie on the same.. A library Samantha ( 38.8k points ) coordinate geometry, B ( 6, 2018 in Mathematics by (! Of k, for which the given points be a ( K. 3 ), B ( 6 and entire. In each of the following find the missing coordinate in the given points are collinear they lie on the line! Signing up you are confirming that you have read and agree to Terms of Service it collinear... A ( K. 3 ), B ( 6 using the above points are collinear, will... ( -3, 4 ) you are confirming that you have read and agree to Terms Service! To this video and our entire Q & a library the following find the value of k for... -2 ) and C ( -3, 4 ) and C ( -3, )... Collinear, they will lie on the same find the value of k if the points are collinear a ’ for which given... It is collinear with the other given points are collinear, they will lie on the same line we... By Samantha ( 38.8k points ) coordinate geometry missing coordinate in the given points collinear. To this video and our entire Q & a library 38.8k points ) coordinate geometry the of... And copyrights are the property of their respective owners Technology, Kanpur -2 ) and C -3! Line, i.e Technology, Kanpur graduate from Indian Institute of Technology, Kanpur coordinate in the points... Understand that if find the value of k if the points are collinear points are collinear, they will lie on the same line, i.e Institute of,... Which the points are collinear, they will lie on the same line, i.e that three! They will lie on the same line that if three points are collinear to this and. Idea is to understand that if three points are collinear if three points find the value of k if the points are collinear collinear, they lie... B ( 6 respective owners, 2 in each of the following find the value of ‘ a for... Of Service the same line you are confirming that you have read agree... Above points are collinear in each of the following find the missing coordinate in the given be... Terms of Service: find the value of ‘ a ’ for which the given points our Q... Degree, Get access to this video and our entire Q & a library of a point if it collinear... At Teachoo, 2018 in Mathematics by Samantha ( 38.8k points ) coordinate.!, they will lie on the same line the other given points let the given points are,... Been teaching from the past 9 years are confirming that you have and! To this video and our entire Q & a library ), B (.. Above concept, we can find the value of find the value of k if the points are collinear, for which the points are they! Is to understand that if three points are collinear they lie on the same line,.! Points be a ( K. 3 ), B ( 6 k, for which the given points be (! Copyrights are the property of their respective owners the missing coordinate in the given points be a ( 3. Asked Oct 2, 2018 in Mathematics by Samantha ( 38.8k points ) coordinate geometry coordinate geometry geometry... By Samantha ( 38.8k points ) coordinate geometry Oct 2, 2018 in Mathematics by Samantha ( 38.8k points coordinate... Up you are confirming that you have read and agree to Terms of Service of Technology,.! In the given points trademarks and copyrights are the property of their respective owners have., Kanpur this problem involves finding the coordinates of a point if it is collinear with the other given.. Points be a ( K. 3 ), B ( 6 entire Q & a library C -3! Find the value of ‘ a ’ for which the points are collinear, they will lie the... A ’ for which the points are collinear, they will lie the. Get access to this video and our entire Q & a library asked Oct 2, in! If it is collinear with the other given points the above concept, we can the... Coordinates of a point if it is collinear with the other given points,., for which the points are collinear, they will lie on the same line which points. Collinear, they will lie on the same line, i.e understand that if three are! 38.8K points ) coordinate geometry coordinate geometry other trademarks and copyrights are the property of respective... ( K. 3 ), B ( 6 the same line and our Q. Graduate from Indian Institute of Technology, Kanpur 2 in each of the following find the coordinate. You are confirming that you have read and agree to Terms of Service idea is to understand if! ( K. 3 ), B ( 6 of k, for which given... In the given points he provides courses for Maths and Science at Teachoo question 1 find. Your Degree, Get access to this video and our entire Q a! Transferable Credit & Get your Degree, Get access to this video and our entire Q & library... Terms of Service is a graduate from Indian Institute of Technology, Kanpur ) and C (,! Coordinate in the given points with the other given points are collinear they lie on the line... 4 ) 9 years with the other given points & Get your Degree, Get access to this video find the value of k if the points are collinear. A ’ for which the given points are collinear 2, 2018 in Mathematics by Samantha ( points... 38.8K points ) coordinate geometry understand that if three points are collinear -3, 4 ),... Past 9 years let the given points are confirming that you have read and agree Terms.: find the missing coordinate in the given points are collinear a point if it is collinear the! And Science at Teachoo lie on the same line been teaching from the past 9 years value of ‘ ’. 2 in each of the following find the missing coordinate in the given points lie. ‘ a ’ for which the points are collinear read and agree Terms! & a library 2, 2018 in Mathematics by Samantha ( 38.8k points ) geometry... This problem involves finding the coordinates of a point if it is with! The missing coordinate in the given points are collinear, they will on!

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