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RAMANUJACHARI+

Last updated over 4 years ago
21 questions
0

NAME OF THE STUDENT

1

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The number (Ο€-3) is:

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2.3535 is

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7 x 11 x 13 x 15 + 15 is

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The zeroes of x2-2x-8 are

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

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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

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

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

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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:

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

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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

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)

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The zeroes of the polynomial are:

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Find the quadratic polynomial whose zeroes are -3 and 4

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Name the type of expression of the polynomial

CASE STUDY 2
A test consists of true or false questions. One mark is awarded for every correct answer while ΒΌ 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?

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How many questions did he guess?

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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?

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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?