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Algebra for Grade 9th

Algebra for Grade 9th

Assessment

Presentation

•

Mathematics

•

9th Grade

•

Hard

Created by

ratnasudha peri

Used 18+ times

FREE Resource

2 Slides • 9 Questions

1

Algebra for Grade 9th

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2

Multiple Choice

 If x +1x = 4, then  find x3 +1x3 If\ x\ +\frac{1}{x}\ =\ 4,\ then\ \ find\ x^3\ +\frac{1}{x^3}\   

1

14

2

50

3

52

4

64

3

Multiple Choice

 If x2 +y2 =6 and  xy =5, then  x+y is equal toIf\ x^2\ +y^2\ =6\ and\ \ xy\ =5,\ then\ \ x+y\ is\ equal\ to  

1

6

2

7

3

11

4

4

4

Multiple Select

 If xy   +yx =−1, then the value of x3 −y3 isIf\ \frac{x}{y\ \ }\ +\frac{y}{x}\ =-1,\ then\ the\ value\ of\ x^3\ -y^3\ is  

1

1

2

0

3

- 1

4

1/2

5

Multiple Select

 Factorisation of 63x2 −112y2 isFactorisation\ of\ 63x^2\ -112y^2\ is  

1

 63 (x−2y) (x+2y)63\ \left(x-2y\right)\ \left(x+2y\right)  

2

 7(3x+2y) (3x−2y)7\left(3x+2y\right)\ \left(3x-2y\right)  

3

 7 (3x+4y)(3x−4y)7\ \left(3x+4y\right)\left(3x-4y\right)  

4

None of these

6

Multiple Choice

 If a+b =8 and ab =15, find the value of a4 +a2b2+b4If\ a+b\ =8\ and\ ab\ =15,\ find\ the\ value\ of\ a^{4\ }+a^2b^2+b^4 

1

225

2

931

3

831

4

446

7

Multiple Select

 One of the factors of (25x2 −1)+(1+5x)2 isOne\ of\ the\ factors\ of\ \left(25x^2\ -1\right)+\left(1+5x\right)^2\ is  

1

 5+x5+x  

2

 5−x5-x  

3

 5x−15x-1  

4

 10x10x  

8

Multiple Choice

 The  factorisation of 4x2+8x +3 isThe\ \ factorisation\ of\ 4x^2+8x\ +3\ is  

1

 (x+1)(x+3)\left(x+1\right)\left(x+3\right)  

2

 (2x+1)(2x+3)\left(2x+1\right)\left(2x+3\right)  

3

 (2x+2)(2x+5)\left(2x+2\right)\left(2x+5\right)  

4

 (2x−1)(2x−3)\left(2x-1\right)\left(2x-3\right)  

9

Multiple Choice

 If x= 3+22 , then the value of x3 −1x3  is                  If\ x=\ 3+2\sqrt{2}\ ,\ then\ the\ value\ of\ x^3\ -\frac{1}{^{x^3}}\ \ is\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \   

1

140

2

 1402140\sqrt{2}  

3

 1403140\sqrt{3}  

4

 1405140\sqrt{5}  

10

Multiple Choice

 if x−2 x  =3, then x3 −8x3 is equal toif\ x-\frac{2}{\ x\ \ }=3,\ then\ x^3\ -\frac{8}{x^3}\ is\ equal\ to  

1

 2727  

2

45

3

36

4

54

11

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Algebra for Grade 9th

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