{"id":30835,"date":"2018-08-08T09:21:57","date_gmt":"2018-08-08T09:21:57","guid":{"rendered":"https:\/\/www.aplustopper.com\/?p=30835"},"modified":"2020-11-24T12:50:22","modified_gmt":"2020-11-24T07:20:22","slug":"ml-aggarwal-class-9-solutions-for-icse-maths-chapter-7-quadratic-equations","status":"publish","type":"post","link":"https:\/\/www.aplustopper.com\/ml-aggarwal-class-9-solutions-for-icse-maths-chapter-7-quadratic-equations\/","title":{"rendered":"ML Aggarwal Class 9 Solutions for ICSE Maths Chapter 7 Quadratic Equations"},"content":{"rendered":"

ML Aggarwal Class 9 Solutions for ICSE Maths Chapter 7 Quadratic Equations<\/span><\/h2>\n

Question 1.<\/strong><\/span>
\nSolve the following (1 to 12) equations:<\/strong>
\n(i) x\u00b2 – 11x + 30 = 0<\/strong>
\n(ii) 4x\u00b2 -25 = 0<\/strong>
\nSolution:<\/strong><\/span>
\n\"ML<\/p>\n

Question 2.<\/strong><\/span>
\n(i) 2x\u00b2 – 5x = 0<\/strong>
\n(ii) x\u00b2 – 2x = 48<\/strong>
\nSolution:<\/strong><\/span>
\n\"ML
\n\"ML<\/p>\n

Question 3.<\/strong><\/span>
\n(i) 6 + x = x\u00b2<\/strong>
\n(ii) 2x\u00b2 + 3x + 1= 0<\/strong>
\nSolution:<\/strong><\/span>
\n\"ML<\/p>\n

Question 4.<\/strong><\/span>
\n(i) 3x\u00b2 = 2x + 8<\/strong>
\n(ii) 4x\u00b2 + 15 = 16x<\/strong>
\nSolution:<\/strong><\/span>
\n\"ML
\n\"ML<\/p>\n

Question 5.<\/strong><\/span>
\n(i) x (2x + 5) = 25<\/strong>
\n(ii) (x +3) (x – 3) = 40<\/strong>
\nSolution:<\/strong><\/span>
\n\"ML
\n\"ML<\/p>\n

Question 6.<\/strong><\/span>
\n(i) (2x + 3) (x – 4) = 6<\/strong>
\n(ii) (3x + 1) (2x + 3) = 3<\/strong>
\nSolution:<\/strong><\/span>
\n\"ML
\n\"ML<\/p>\n

Question 7.<\/strong><\/span>
\n(i) 4x\u00b2 + 4x + 1 = 0<\/strong>
\n(ii) (x – 4)\u00b2 + 5\u00b2= 132<\/strong>
\nSolution:<\/strong><\/span>
\n\"ML<\/p>\n

Question 8.<\/strong><\/span>
\n(i) 21x\u00b2 = 4(2x + 1)<\/strong>
\n(ii) \\(\\frac { 2 }{ 3 }\\) x2 – \\(\\frac { 1 }{ 3 }\\) x – 1 = 0<\/strong>
\nSolution:<\/strong><\/span>
\n\"ML
\n\"ML<\/p>\n

Question 9.<\/strong><\/span>
\n(i) 6x + 29 = \\(\\frac { 5 }{ x }\\)<\/strong>
\n(ii) x + \\(\\frac { 1 }{ x }\\) = 2 \\(\\frac { 1 }{ 2 }\\)<\/strong>
\nSolution:<\/strong><\/span>
\n\"ML
\n\"ML<\/p>\n

Question 10.<\/strong><\/span>
\n\"ML
\nSolution:<\/strong><\/span>
\n\"ML
\n\"ML<\/p>\n

Question 11.<\/strong><\/span>
\n\"ML
\nSolution:<\/strong><\/span>
\n\"ML
\n\"ML<\/p>\n

Question 12.<\/strong><\/span>
\n\"ML
\nSolution:<\/strong><\/span>
\n\"ML
\n\"ML
\n\"ML<\/p>\n

Multiple Choice Questions<\/strong><\/span><\/p>\n

Choose the correct Solution from the given four options (1 to 5):<\/strong>
\nQuestion 1.<\/strong><\/span>
\nWhich of the following is not a quadratic equation :<\/strong>
\n(a) 2x\u00b2 = 3x – 5<\/strong>
\n(b) (2x- 1) (x- 1) = 2x\u00b2 – 7x + 2<\/strong>
\n(c) (2x – 1) (x + 2) = (x – 1) (x + 1)<\/strong>
\n(d) (x+ 1), = x, + 2x+2<\/strong>
\nSolution:<\/strong><\/span>
\n(2x – 1) (x – 1) = 2x\u00b2 – 7x + 2 is not a quadratic equation. (b)<\/strong><\/p>\n

Question 2.<\/strong><\/span>
\nIf 2 is a root of the quadratic equation 2x\u00b2 – kx + 1 = 0, then the value of k is<\/strong>
\n\"ML
\nSolution:<\/strong><\/span>
\n\"ML<\/p>\n

Question 3.<\/strong><\/span>
\nIf -3 is a root of the quadratic equation kx\u00b2 + 2x – 3 = 0, then the value of k is<\/strong>
\n(a) 1<\/strong>
\n(b) -1<\/strong>
\n(c) \\(\\frac { 1 }{ 9 }\\)<\/strong>
\n(d) \\(\\frac { 1 }{ -9 }\\)<\/strong>
\nSolution:<\/strong><\/span>
\n\"ML<\/p>\n

Question 4.<\/strong><\/span>
\nWhich of the following quadratic equations has -1 as a root?<\/strong>
\n(a) x\u00b2 + 5x + 6 = 0<\/strong>
\n(b) 2x\u00b2 – 3x + 1 = 0<\/strong>
\n(c) 2x\u00b2 + x – 3 = 0<\/strong>
\n(d) 2x\u00b2 – x – 3 = 0<\/strong>
\nSolution:<\/strong><\/span>
\n\"ML<\/p>\n

Question 5.<\/strong><\/span>
\nThe root of the quadratic equation x\u00b2 – 3x – 4 = 0 are<\/strong>
\n(a) -4, 1<\/strong>
\n(b) 4, -1<\/strong>
\n(c) 4, 1<\/strong>
\n(d) -4, -1<\/strong>
\nSolution:<\/strong><\/span>
\n\"ML<\/p>\n

Chapter Test<\/strong><\/span><\/p>\n

Solve the following (1 to 3) equations :<\/strong>
\nQuestion 1.<\/strong><\/span>
\n(i) x(2x+ 5) = 3<\/strong>
\n(ii) 3x\u00b2 – 4x – 4 = 0<\/strong>
\nSolution:<\/strong><\/span>
\n\"ML
\n\"ML<\/p>\n

Question 2.<\/strong><\/span>
\n(i) 4x\u00b2 – 2x + \\(\\frac { 1 }{ 4 }\\) = 0<\/strong>
\n(ii) 2x\u00b2 + 7x + 6 = 0<\/strong>
\nSolution:<\/strong><\/span>
\n\"ML
\n\"ML<\/p>\n

Question 3.<\/strong><\/span>
\n\"ML
\nSolution:<\/strong><\/span>
\n\"ML
\n\"ML
\n\"ML<\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

ML Aggarwal Class 9 Solutions for ICSE Maths Chapter 7 Quadratic Equations Question 1. Solve the following (1 to 12) equations: (i) x\u00b2 – 11x + 30 = 0 (ii) 4x\u00b2 -25 = 0 Solution: Question 2. (i) 2x\u00b2 – 5x = 0 (ii) x\u00b2 – 2x = 48 Solution: Question 3. (i) 6 + […]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[3034],"tags":[],"yoast_head":"\nML Aggarwal Class 9 Solutions for ICSE Maths Chapter 7 Quadratic Equations - A Plus Topper<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.aplustopper.com\/ml-aggarwal-class-9-solutions-for-icse-maths-chapter-7-quadratic-equations\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ML Aggarwal Class 9 Solutions for ICSE Maths Chapter 7 Quadratic Equations\" \/>\n<meta property=\"og:description\" content=\"ML Aggarwal Class 9 Solutions for ICSE Maths Chapter 7 Quadratic Equations Question 1. Solve the following (1 to 12) equations: (i) x\u00b2 – 11x + 30 = 0 (ii) 4x\u00b2 -25 = 0 Solution: Question 2. (i) 2x\u00b2 – 5x = 0 (ii) x\u00b2 – 2x = 48 Solution: Question 3. (i) 6 + […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.aplustopper.com\/ml-aggarwal-class-9-solutions-for-icse-maths-chapter-7-quadratic-equations\/\" \/>\n<meta property=\"og:site_name\" content=\"A Plus Topper\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/aplustopper\/\" \/>\n<meta property=\"article:published_time\" content=\"2018-08-08T09:21:57+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2020-11-24T07:20:22+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.aplustopper.com\/wp-content\/uploads\/2018\/08\/ML-Aggarwal-Class-9-Solutions-for-ICSE-Maths-Chapter-7-Quadratic-Equations-Q1.1.png\" \/>\n<meta name=\"twitter:card\" content=\"summary\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Nirmala\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.aplustopper.com\/#organization\",\"name\":\"Aplus Topper\",\"url\":\"https:\/\/www.aplustopper.com\/\",\"sameAs\":[\"https:\/\/www.facebook.com\/aplustopper\/\"],\"logo\":{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/www.aplustopper.com\/#logo\",\"inLanguage\":\"en-US\",\"url\":\"https:\/\/www.aplustopper.com\/wp-content\/uploads\/2018\/12\/Aplus_380x90-logo.jpg\",\"contentUrl\":\"https:\/\/www.aplustopper.com\/wp-content\/uploads\/2018\/12\/Aplus_380x90-logo.jpg\",\"width\":1585,\"height\":375,\"caption\":\"Aplus Topper\"},\"image\":{\"@id\":\"https:\/\/www.aplustopper.com\/#logo\"}},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.aplustopper.com\/#website\",\"url\":\"https:\/\/www.aplustopper.com\/\",\"name\":\"A Plus Topper\",\"description\":\"Improve your Grades\",\"publisher\":{\"@id\":\"https:\/\/www.aplustopper.com\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.aplustopper.com\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/www.aplustopper.com\/ml-aggarwal-class-9-solutions-for-icse-maths-chapter-7-quadratic-equations\/#primaryimage\",\"inLanguage\":\"en-US\",\"url\":\"https:\/\/www.aplustopper.com\/wp-content\/uploads\/2018\/08\/ML-Aggarwal-Class-9-Solutions-for-ICSE-Maths-Chapter-7-Quadratic-Equations-Q1.1.png\",\"contentUrl\":\"https:\/\/www.aplustopper.com\/wp-content\/uploads\/2018\/08\/ML-Aggarwal-Class-9-Solutions-for-ICSE-Maths-Chapter-7-Quadratic-Equations-Q1.1.png\",\"width\":345,\"height\":439,\"caption\":\"ML Aggarwal Class 9 Solutions for ICSE Maths Chapter 7 Quadratic Equations Q1.1\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.aplustopper.com\/ml-aggarwal-class-9-solutions-for-icse-maths-chapter-7-quadratic-equations\/#webpage\",\"url\":\"https:\/\/www.aplustopper.com\/ml-aggarwal-class-9-solutions-for-icse-maths-chapter-7-quadratic-equations\/\",\"name\":\"ML Aggarwal Class 9 Solutions for ICSE Maths Chapter 7 Quadratic Equations - 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Solve the following (1 to 12) equations: (i) x\u00b2 – 11x + 30 = 0 (ii) 4x\u00b2 -25 = 0 Solution: Question 2. (i) 2x\u00b2 – 5x = 0 (ii) x\u00b2 – 2x = 48 Solution: Question 3. (i) 6 + […]","og_url":"https:\/\/www.aplustopper.com\/ml-aggarwal-class-9-solutions-for-icse-maths-chapter-7-quadratic-equations\/","og_site_name":"A Plus Topper","article_publisher":"https:\/\/www.facebook.com\/aplustopper\/","article_published_time":"2018-08-08T09:21:57+00:00","article_modified_time":"2020-11-24T07:20:22+00:00","og_image":[{"url":"https:\/\/www.aplustopper.com\/wp-content\/uploads\/2018\/08\/ML-Aggarwal-Class-9-Solutions-for-ICSE-Maths-Chapter-7-Quadratic-Equations-Q1.1.png"}],"twitter_card":"summary","twitter_misc":{"Written by":"Nirmala","Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Organization","@id":"https:\/\/www.aplustopper.com\/#organization","name":"Aplus Topper","url":"https:\/\/www.aplustopper.com\/","sameAs":["https:\/\/www.facebook.com\/aplustopper\/"],"logo":{"@type":"ImageObject","@id":"https:\/\/www.aplustopper.com\/#logo","inLanguage":"en-US","url":"https:\/\/www.aplustopper.com\/wp-content\/uploads\/2018\/12\/Aplus_380x90-logo.jpg","contentUrl":"https:\/\/www.aplustopper.com\/wp-content\/uploads\/2018\/12\/Aplus_380x90-logo.jpg","width":1585,"height":375,"caption":"Aplus Topper"},"image":{"@id":"https:\/\/www.aplustopper.com\/#logo"}},{"@type":"WebSite","@id":"https:\/\/www.aplustopper.com\/#website","url":"https:\/\/www.aplustopper.com\/","name":"A Plus Topper","description":"Improve your Grades","publisher":{"@id":"https:\/\/www.aplustopper.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.aplustopper.com\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"ImageObject","@id":"https:\/\/www.aplustopper.com\/ml-aggarwal-class-9-solutions-for-icse-maths-chapter-7-quadratic-equations\/#primaryimage","inLanguage":"en-US","url":"https:\/\/www.aplustopper.com\/wp-content\/uploads\/2018\/08\/ML-Aggarwal-Class-9-Solutions-for-ICSE-Maths-Chapter-7-Quadratic-Equations-Q1.1.png","contentUrl":"https:\/\/www.aplustopper.com\/wp-content\/uploads\/2018\/08\/ML-Aggarwal-Class-9-Solutions-for-ICSE-Maths-Chapter-7-Quadratic-Equations-Q1.1.png","width":345,"height":439,"caption":"ML Aggarwal Class 9 Solutions for ICSE Maths Chapter 7 Quadratic Equations Q1.1"},{"@type":"WebPage","@id":"https:\/\/www.aplustopper.com\/ml-aggarwal-class-9-solutions-for-icse-maths-chapter-7-quadratic-equations\/#webpage","url":"https:\/\/www.aplustopper.com\/ml-aggarwal-class-9-solutions-for-icse-maths-chapter-7-quadratic-equations\/","name":"ML Aggarwal Class 9 Solutions for ICSE Maths Chapter 7 Quadratic Equations - 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