Polynomials Class 9th

Polynomials Class 9th

9th Grade

12 Qs

quiz-placeholder

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Polynomials Class 9th

Polynomials Class 9th

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Hard

Created by

Debajani Mishra

Used 964+ times

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12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 (x+8)(x10)\left(x+8\right)\left(x-10\right)   in the expanded form is

 x28x80x^2-8x-80  

 x22x80x^2-2x-80  

 x2+2x+80x^2+2x+80  

 x22x+80x^2-2x+80  

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The value of  95×9695\times96  is

9020

9120

9320

9340

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The value of  104×96104\times96  is

9984

9624

9980

9986

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Without actually calculating the cubes find the value of

 283+ (15)3+ (13)328^{3^{ }}+\ \left(-15\right)^3+\ \left(-13\right)^3  

16380

-16380

15380

-15380

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

   If  x2x-2  is  a factor of  x32ax2+ax1 x^{3^{ }}-2ax^2+ax-1\   then the value of  aa  is

 76\frac{7}{6}  

 76-\frac{7}{6}  

 67\frac{6}{7}  

 67-\frac{6}{7}  

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

   If   x+2x+2  is a factor of  x3+2ax2+ax1x^3+2ax^2+ax-1  then the value of  aa  is

 23\frac{2}{3}  

 35\frac{3}{5}  

 32\frac{3}{2}  

 12\frac{1}{2}  

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

   If   x+y+z=0x+y+z=0  then  x3+y3+z3x^3+y^3+z^3  is equal to

 3xyz3xyz  

 3xyz-3xyz  

 xyxy  

 2xy-2xy  

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