Ordered pairs and Relation

Ordered pairs and Relation

Assessment

Assessment

Created by

sangita sharma

Mathematics

9th Grade

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10 questions

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1.

Multiple Choice

1 min

1 pt

     Which of the following order pairs are equal?

(a, a) and (b, b)

(2, 3) and (3, 2) 

 

 (42,3)\left(\frac{4}{2},3\right)  and  (2, 3)

  (a, b) and (b, a)

2.

Multiple Choice

1 min

1 pt

What is the value of x and y if (x, y) = (2, x+2)

2 & 2

2 & 1

2 & 4

2 & -2

3.

Multiple Choice

2 mins

1 pt

What is the value of x and y if (x-2, y) = (2-x, 4 - y)

2 & 4

2 & 2

0 & 4

4 & 0

4.

Multiple Choice

1 min

1 pt

If A = {2, 4, 5} and B = {1, 2, 4}, which of the following set of ordered pairs represents the relation x > y.

{(2, 1), (4, 1), (5, 1)}

{(2, 1), (4, 1), (5, 1), (4, 2)}

{(2, 1), (4, 1), (5, 1), (4, 2), (5,1)}

{(2, 1), (4, 1), (5, 1), (4, 2), (5, 4), (5, 2)}

5.

Multiple Choice

1 min

1 pt

If A = {2, 4, 5} and B = {4, 6, 8}, which of the following set of ordered pairs represents the relation y = x + 2.

{(2, 4), (4, 6)}

{(2, 4), (4, 8)}

{(4, 5), (2, 4), (5, 6), (4, 8)}

{(2, 4), (4, 4), (5, 8)}

6.

Multiple Choice

1 min

1 pt

 If A = {4, 16, 25} and B = {2, 4, 5}, which of the following set of ordered pairs represents the relation y = x\sqrt{x}   
    

     {(2, 4), (4, 16), (5, 25)}

 {(2, 2), (4, 4), (5, 5)}  

{(4, 2), (16, 4), (25, 5)} 

 {(2, 4), (4, 4), (5, 16)}

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