Maths Questions Chapter 2 Polynomials Time Allowed: 1 Hr Maximum Marks: 20

Maths Questions
Chapter 2 Polynomials
Time Allowed: 1 Hr Maximum Marks: 20
_____________________________________________________________
1. All questions are compulsory.
2. The question paper consist of 8 questions
3. Questions 1 and 2 are very short questions of 1 mark each questions 3 to
5 are short questions carrying 2 marks each questions 6 to 7 are short
questions carrying 3 marks each and question number 8 is very long
question carrying 6 marks
4. There is no overall choice.
5. Use of calculators is not permitted.
Q1. Find the zeroes of the polynomial p(x) =2x-5.
(1 mark)
Q2. Check whether -2 and 2 are the zeroes of the polynomial 3 x − 8 .
(1 mark)
Q3. Evaluate 497 X 503
(2 marks)
Q4. Without actual division find the remainder, when the polynomial
3 2 4x − 3x + 2x − 4 is divided by
1
x
2


 + 
 
.
(2 marks)
Q5. Without calculating cubes, find the value of (-12)3 + (7)3 + (5)3.
(2 marks)
Q6. If 2 x + px + q = (x + a)(x + b) , then factorise 2 2 x + pxy + qy .
(3 marks)
Q7. Factorise: 3 2 2y + y − 2y − 1
(3 marks)
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2
Q8. What are the possible expressions for the dimensions of the cuboids
whose volume is given by 3 2 x − 3x − 9x − 5
(6 marks)