{"id":22240,"date":"2022-01-14T16:06:09","date_gmt":"2022-01-14T10:36:09","guid":{"rendered":"https:\/\/apboardsolutions.guru\/?p=22240"},"modified":"2022-01-14T16:06:09","modified_gmt":"2022-01-14T10:36:09","slug":"ap-board-7th-class-maths-solutions-chapter-9-review-exercise","status":"publish","type":"post","link":"https:\/\/apboardsolutions.guru\/ap-board-7th-class-maths-solutions-chapter-9-review-exercise\/","title":{"rendered":"AP Board 7th Class Maths Solutions Chapter 9 Algebraic Expressions Review Exercise"},"content":{"rendered":"

SCERT\u00a0AP 7th Class Maths Solutions Pdf<\/a> Chapter 9 Algebraic Expressions Review Exercise Questions and Answers.<\/p>\n

AP State Syllabus 7th Class Maths Solutions 9th Lesson Algebraic Expressions Review Exercise<\/h2>\n

Question 1.
\nIdentify constants and variables in the following terms:
\n0, – x, 3t, – 5, 5ab, – m, 700, – n, 2pqr, – 1, ab, 10, – 6z
\nAnswer:
\nGiven, 0, – x, 3t, – 5, 5ab, – m, 700, – n, 2pqr, – 1, ab, 10, – 6z
\nConstants = 0, – 5, 700, – 1, 10
\nVariables = – x, 3t, 5ab, – m, – n, 2pqr, ab, – 6z.<\/p>\n

\"AP<\/p>\n

Question 2.
\nObserve the pattern the side and express the pattern in the form of an algebraic expression.
\n\"AP<\/p>\n

\"AP
\nAnswer:
\nIn row = 1, 2(1) + 1 = 3
\nIn row = 2, 2(2) + 1 = 5
\nIn row = 3, 2(3) + 1 = 7
\nIn row = 4, 2(4) + 1 = 9
\nIn row = n, 2(n) + 1 = 2n + 1<\/p>\n

Question 3.
\nWrite the following statements as expressions
\n(i) x reduced by 5
\nAnswer:
\nGiven x reduced by 5 = x – 5<\/p>\n

(ii) 8 more than twice of k
\nAnswer:
\nGiven 8 more than twice of k = 2k + 8<\/p>\n

(iii) Half of y
\nAnswer:
\nGiven Half of y = \\(\\frac{1}{2}\\) of y = \\(\\frac{y}{2}\\)<\/p>\n

(iv) One fourth of product of b and c
\nAnswer:
\nGiven One fourth of product of b and c
\n= \\(\\frac{1}{4}\\) of b \u00d7 c
\n= \\(\\frac{1}{4}\\) \u00d7 bc = \\(\\frac{b c}{4}\\)<\/p>\n

\"AP<\/p>\n

(v) One less than three times of p
\nAnswer:
\nGiven One less than three times of p
\n= 3 times of p – 1
\n= 3 \u2219 p – 1<\/p>\n

Question 4.
\nWrite the following expressions as statements :
\n(i) s + 3
\nAnswer:
\nGiven s + 3 = 3 added to s.<\/p>\n

(ii) 3p + 10
\nAnswer:
\nGiven 3p + 10
\n= 10 more than thrice of p.<\/p>\n

(iii) 5c – 8
\nAnswer:
\nGiven 5c – 8 = 8 less than 5 times of c.<\/p>\n

(iv) 10z
\nAnswer:
\nGiven 10z = 10 times of z.<\/p>\n

(v) \\(\\frac{b}{9}\\)
\nAnswer:
\nGiven \\(\\frac{b}{9}\\) = one nineth of b.<\/p>\n

Question 5.
\nWrite the following situations into algebraic expressions :
\n(i) Cost of one pen is double the cost of pencil.
\nAnswer:
\nLet the cost of pencil = \u20b9x
\nthen the cost of pen = double the cost of pencil = 2 \u00d7 \u20b9 x
\n\u2234 The cost of pen = \u20b9 2x<\/p>\n

\"AP<\/strong><\/p>\n

(ii) Age of John is 10 more than age of Yusuf.
\nAnswer:
\nLet the age of Yusuf = a years
\nthen the age of John = (a + 10) years<\/p>\n

(iii) Height of Siri is 15 cm less than height of Giri.
\nAnswer:
\nLet the height of Giri = x cm
\nthen the height of Siri = (x – 15) cm<\/p>\n

(iv) Length of a rectangle is 2 more than three times of it’s breadth.
\nAnswer:
\nLet the breadth = b units
\nthen the length of rectangle
\n= 3 times b + 2
\n= (3 \u2219 b + 2) units.<\/p>\n","protected":false},"excerpt":{"rendered":"

SCERT\u00a0AP 7th Class Maths Solutions Pdf Chapter 9 Algebraic Expressions Review Exercise Questions and Answers. AP State Syllabus 7th Class Maths Solutions 9th Lesson Algebraic Expressions Review Exercise Question 1. Identify constants and variables in the following terms: 0, – x, 3t, – 5, 5ab, – m, 700, – n, 2pqr, – 1, ab, 10, …<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":""},"categories":[9],"tags":[],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/posts\/22240"}],"collection":[{"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/comments?post=22240"}],"version-history":[{"count":2,"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/posts\/22240\/revisions"}],"predecessor-version":[{"id":22244,"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/posts\/22240\/revisions\/22244"}],"wp:attachment":[{"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/media?parent=22240"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/categories?post=22240"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/tags?post=22240"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}