Question Pool Polynomials

Polynomials - SAMAGRA Question Pool & Answers | Class 9 English Medium

Kerala Syllabus SAMAGRA SCERT SAMAGRA Question Pool for Class 9 English Medium Maths Polynomials

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Qn 1.

The breadth of a rectangle is x, and its length is 2x+5

a)Find its perimeter?

b) Find its area?

c) If the breadth is 5 cm what is its area?

 

  • Answer)


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Qn 2.

In If, p(1)=4and p(2)=9

a) Write p(x)

b) Find p(3)

  • Answer)
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Qn 3.

The length of a rectangle is 3x+2 and its breadth is 2x-1

a) Find its Perimeter?

b) Calculate its area?

  • Answer)
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Qn 4.

a)Perimeter = 2(3x+2+2x-1)=10x+2                                                     

b) area = (3x+2)(2x-1)=             

  • Answer)
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Qn 5.

Write the first degree polynomial p(x) in which p(1)=5 and p(2)=8?

  • Answer)


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Qn 6.

In the figure,The length of the small rectangle is 3cm more than its breadth.

The length of the large rectangle is 2 more than the length of the small and the breadth of large rectangle is 1 less than the length of the small rectangle. Take the breadth of small rectangle as x

a) Write their areas?

b) Write the sum of their areas?

  • Answer)

    a) sides of small rectangle = x,x+3

    sides of large rectangle = x+5,x+2

    area of small rectangle = x² +3x

    area of large rectangle =

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Qn 7.

The length of a rectangle is 2 more than thrice the breadth.

a)Write the polynomial representing the length?

b) If the breadth is 2cm find its length?

  • Answer)

    breadth= x        length=3x+2

    breadth x =2       length=3x2+2  =

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Qn 8.

The length of a rectangle is 3 more than four times its breadth. Take the breadth as x

a) What is its length?

b)What is its area?

c) If the breadth is 3cm , Find its area?

  • Answer)

    a) length

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Qn 9.

The length of a rectangular box is 1 more than twice of its breadth and height is 2 more than its length. Take the breadth as x, write the base perimeter p(x),Volume v(x) as Polynomials?

  • Answer)

    breadth= x ,

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Qn 10.

In a right angled triangle one of the perpendicular sides is 3 unit more than the other.

a) Write the perpendicular sides as polynomials in x

b) Find the area of the Triangle?

  • Answer)
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