RAMANUJACHARI+

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NAME OF THE STUDENT

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a) one place of decimal

b) two places of decimals

c) three places of decimals

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The number (π-3) is:

a) a rational number

b) an irrational number

c) a prime number

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2.3535 is

a. a rational number

b. an irrational number

c. a terminating decimal number

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7 x 11 x 13 x 15 + 15 is

a) a composite number

b) a prime number

c) an irrational number

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The zeroes of x2-2x-8 are

a)2 – 4

b) 4 – 2

c) 2 – 2

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If one zero of x2+3x+k is 2, then the value of k is

a) 10

b) -10

c) 0

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Given that one of the zeroes of the cubic polynomial ax³+bx²+cx+d is 0, then the product of the other two zeroes is

a) -ca

b) ca

c) -ba

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The graph of y=p(x), where p(x) is a polynomial in variable x is as follows

a) 5

b) 6

c) 4

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If a pair of linear equations is consistent, then the lines will be

a) parallel

b) coincident

c) intersecting or coincident

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The value of c for which the pair of equations cx-y=2 and 6x-2y=4 will have infinitely many solutions is:

a) 3

b) -3

c) 1

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The solution of px+qy=p-q and qx-py=p+q is

a) x = 1 and y = 1

b) x = -1 and y = 1

c) x = 1 and y = 1

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A pair of linear equations in two variables that has a common point, i.e., which has only one solution is called a

a) consistent pair

b) inconsistent pair

c) dependent pair

CASE STUDY 1 One day, due to a heavy storm, an electric wire got bent as shown in the figure. It followed some mathematical shapes of curves. Answer the following questions below:

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How many zeroes are there for the polynomial (shape of the wire)

a) 5

b) 3

c) 2

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The zeroes of the polynomial are:

a) 2, -2, 0

b) 2, 0, 1

c) 2,-2, 5

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Find the quadratic polynomial whose zeroes are -3 and 4

a) x2+4x-2

b) x2-x-12

c) x2-7x-12

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Name the type of expression of the polynomial

a) quadratic

b) cubic

c) bi-quadratic

CASE STUDY 2

A test consists of true or false questions. One mark is awarded for every correct answer while ¼ mark is deducted for every wrong answer. A student knew answers to some of the questions. Rest of the questions he attempted by guessing. He answered 120 questions and got 90 marks.

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If answers to all questions he attempted by guessing were wrong, then how many questions did he answer correctly?

a) 96

b) 95

c) 98

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How many questions did he guess?

a) 22

b) 24

c) 26

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If answers to all questions he attempted by guessing were wrong and answered 80 correctly, then how many marks he got?

a) 65

b) 90

c) 70

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If answers to all questions he attempted by guessing were wrong, then how many questions were answered correctly to score 95 marks?

a) 100

b) 95

c) 90

RAMANUJACHARI+

NAME OF THE STUDENT

The number (π-3) is:

2.3535 is

7 x 11 x 13 x 15 + 15 is

The zeroes of x2-2x-8 are

If one zero of x2+3x+k is 2, then the value of k is

Given that one of the zeroes of the cubic polynomial ax3+bx2+cx+d is 0, then the product of the other two zeroes is

The graph of y=p(x), where p(x) is a polynomial in variable x is as follows

If a pair of linear equations is consistent, then the lines will be

The value of c for which the pair of equations cx-y=2 and 6x-2y=4 will have infinitely many solutions is:

The solution of px+qy=p-q and qx-py=p+q is

A pair of linear equations in two variables that has a common point, i.e., which has only one solution is called a

How many zeroes are there for the polynomial (shape of the wire)

The zeroes of the polynomial are:

Find the quadratic polynomial whose zeroes are -3 and 4

Name the type of expression of the polynomial

If answers to all questions he attempted by guessing were wrong, then how many questions did he answer correctly?

How many questions did he guess?

If answers to all questions he attempted by guessing were wrong and answered 80 correctly, then how many marks he got?

If answers to all questions he attempted by guessing were wrong, then how many questions were answered correctly to score 95 marks?

NAME OF THE STUDENT

The number (π-3) is:

2.3535 is

7 x 11 x 13 x 15 + 15 is

The zeroes of x2-2x-8 are

If one zero of x2+3x+k is 2, then the value of k is

Given that one of the zeroes of the cubic polynomial ax3+bx2+cx+d is 0, then the product of the other two zeroes is

The graph of y=p(x), where p(x) is a polynomial in variable x is as follows

If a pair of linear equations is consistent, then the lines will be

The value of c for which the pair of equations cx-y=2 and 6x-2y=4 will have infinitely many solutions is:

The solution of px+qy=p-q and qx-py=p+q is

A pair of linear equations in two variables that has a common point, i.e., which has only one solution is called a

How many zeroes are there for the polynomial (shape of the wire)

The zeroes of the polynomial are:

Find the quadratic polynomial whose zeroes are -3 and 4

Name the type of expression of the polynomial

If answers to all questions he attempted by guessing were wrong, then how many questions did he answer correctly?

How many questions did he guess?

If answers to all questions he attempted by guessing were wrong and answered 80 correctly, then how many marks he got?

If answers to all questions he attempted by guessing were wrong, then how many questions were answered correctly to score 95 marks?

Given that one of the zeroes of the cubic polynomial ax³+bx²+cx+d is 0, then the product of the other two zeroes is

Given that one of the zeroes of the cubic polynomial ax³+bx²+cx+d is 0, then the product of the other two zeroes is