Class 8 Slip Test -3 for Algebraic Expressions and Factorization 50 marks

 

Slip Test -3 CLICK below Download button TO DOWNLOAD THE QUESTION PAPER Class- 8                                                                                                                         Subject - Maths  Chapters - Algebraic Expressions and Factorization                                                    Marks : 20 +30 =50 marks Section A  Short Answers type1 of 2 marks each  Add: 4y (3y2 + 5y – 7) and 2 (y3 – 4y2 + 5) Find the areas of rectangles with the following pairs of monomials as their lengths and breadths respectively: (10m,5n) Simplify 3x (4x – 5) + 3 and find its values for (i) x = 3 (ii) x = 1/2. Factorize   p2-10p+25  Divide as directed.  5(2x + 1) (3x + 5) ÷ (2x + 1)  Factorise:  4p² – 9q² Multiply  (a² + b) (a + b² ) Factorise:15 pq + 15 + 9q + 25p Obtain the volume of rectangular boxes with the following length, breadth and height respectively.  5a, 3a² , 7a4 Find the product.  (5 – 2x) (3 + x) Section B  Short Answers type2 of 3 marks each Simplify (a + b) (2a – 3b + c) – (2a – 3b) c. Subtract 3l(l-4m+5n) from 4l(10n-3m+2l) Simplify (a + b) (2a – 3b + c) – (2a – 3b) c Simplify: (a + b) (c – d) + (a – b) (c + d) + 2 (ac + bd)  Simplify:(1.5x – 4y)(1.5x + 4y + 3) – 4.5x + 12y  Simplify: (x + y)(x2 – xy + y2)  Simplify: (a + b + c)(a + b – c) Factorise the expressions and divide them as directed.  (y ² + 7y + 10) ÷ (y + 5) Factorise the expressions. am² + bm² + bn² + an² Factorise: a4 – 2a²b²  + b4