Mathematics 9th Class English Medium Online Test With Answers

Mathematics 9th Class English Medium Online Test

Sr. # Questions Answers Choice
1 Find m so that x2 +8 x +m is a complete square. 8 -8 4 16
2 What will be added to complete the squae of 9a2 -12 ab? -16 b2 16 b2 4 b2 -4b2
3 Factors of x4 - y4 (x-y)(x+y)(x2+y2) (x-y)(x2+y2) (x-y)(x+y)(x2-y2) (x+y)(x2+y2)
4 Factors of 3x2 -x -2 are (x+1)(3x-2) (x+1)(3x+2) ((x-1)(3x-2) (x-1)(3x+2)
5 The factor of x2 - 5 x + 6 are x+1 , x-6 x-2, x-3 x+6,x-1 x+2,x+3
6 The degree of quadratic polynomia is 1 2 3 -2
7 One of factors of x3 -27 is x-3 x+3 x<sup>2</sup>-3x+9 Both a and c
8 Cubic polynomial has degree 1 2 3 4
9 Factorization of x3 +3x2+3x 1 is (x +1)3 (X-1)3 (x+1)(x2+x+1) (x-1)(x2-x+1)
10 The LCM of (a-b)2 and (a-b)4 (a-b)2 (a-b)3 (a-b)4 (a-b)6
11 The square root of x2 -6x +9 is
12 Product of LCM and HCF =...............of two polynomial Sum Difference Product Quotient
13 The LCM of 16x2, 4x and 30 xy is 480 x<sup>3</sup> y 240 xy 240 x<sup>2</sup> y 120 x<sup>4</sup> y
14 The HCF of a3 b3 and ab2 is a<sup>3</sup>b<sup>3</sup> ab<sup>2</sup> a<sup>2</sup>b<sup>2</sup> a<sup>2</sup>b
15 The factors of 4x2 -12 y +9 are (2x +3)2 (2x -3)2 (2+3x)(2-3x)2 (2x-3)(2x+3)
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