Enclose the Given Term in Bracket as Required: X2 – Xy2 – 2xy – Y2 = X2 – (……..) - Mathematics

Advertisements
Advertisements
Fill in the Blanks

Enclose the given term in bracket as required:

x2 – xy2 – 2xy – y2 = x2 – (……..)

Advertisements

Solution

x2 – xy2 – 2xy – y2

= x2 – (xy2 + 2xy + y2)

  Is there an error in this question or solution?
Chapter 11: Fundamental Concepts (Including Fundamental Operations) - Exercise 11 (F)

APPEARS IN

Selina Concise Mathematics Class 7 ICSE
Chapter 11 Fundamental Concepts (Including Fundamental Operations)
Exercise 11 (F) | Q 2

RELATED QUESTIONS

Identify the terms, their coefficients for the following expressions.

3 − pq + qr − rp


Identify the numerical coefficient of term (other than constant) in the following expression:

5 − 3t2


Identify terms which contain y2 and give the coefficient of y2.

8 - xy2


Identify the term, their coefficients for the following expression:

 7x2yz − 5xy


Identify the term, their coefficients for the following expression:

9 − ab + bc − ca


Constant is only 8 other is variable 2x ÷ 15


Constant is only 8 other is variable ax + 9


Write the coefficient of: xy in – 3axy


Write the coefficient of: 15 in – 15p2 


For the following monomials, write its degree: xy2


Add : - 3a + 2b and 3a + b


Find the sum of: 3x + 8y + 7z, 6y + 4z- 2x and 3y – 4x + 6z


Find the sum of: 4x2+ 8xy – 2y2 and 8xy – 5y2 + x2 


Find the sum of: a2 + b2 + 2ab, 2b2 + c2 + 2bc and 4c2 -a2 + 2ac 


Subtract the second expression from the first:

a3 - 1 + a, 3a - 2a


Find the missing term

6xy × _________ = –12x3y


Find the missing term

_________ × (−15m2n3p) = 45m3n3p2


Find the missing term

2y(5x2y – ___ + 3 ___ ) = 10x2y2 – 2xy + 6y3


The number of terms in the expression 3ab + 4c – 9 is __________


The numerical co-efficient of the term −xy is __________


x + (−x) = 0


The co-efficient of ab in the term 15 abc is 15


Find the numerical co-efficient of the following term:

12k


Find the numerical co-efficient of the following term:

y


Find the numerical co-efficient of the following term:

121bc


Find the numerical co-efficient of the following term:

– x


Find the numerical co-efficient of the following term:

9pq


Find the numerical co-efficient of the following term:

2ab


The numerical co-efficient of −7mn is


To add two like terms, its coefficients can be added


The coefficient of leading term of the expression 3z2y + 2x – 3 is _________


Factorised form of r2 – 10r + 21 is ______.


The value of (3x3 +9x2 + 27x) ÷ 3x is ______.


38x3y2z ÷ 19xy2 is equal to ______.


The side of the square of area 9y2 is ______.


Write the greatest common factor in the following terms. 

3x3y2z, – 6xy3z2, 12x2yz3 


Factorise the following expression.

24x2yz3 – 6xy3z2 + 15x2y2z – 5xyz


Factorise the following expression.

ax2y – bxyz – ax2z + bxy2 


Identify the term and their factor in the following expression.

Show the term and factor by tree diagram.

1 + x + x2


Identify term and factor in the expression given below:

pq + q


Identify term and factor in the expression given below:

`3/4  x + 1/4`


Write the coefficient of x2 in the following:

x3 – 2x2 + 3x + 1


Write the coefficient of x2 in the following:

1 + 2x + 3x2 + 4x3


Observe the following nutritional chart carefully:

Food Item (Per Unit = 100g) Carbohydrates
Rajma 60g
Cabbage 5g
Potato 22g
Carrot 11g
Tomato 4g
Apples 14g

Write an algebraic expression for the amount of carbohydrates (in grams) for y units of potatoes and 2 units of rajma.


Arjun bought a rectangular plot with length x and breadth y and then sold a triangular part of it whose base is y and height is z. Find the area of the remaining part of the plot.


Amisha has a square plot of side m and another triangular plot with base and height each equal to m. What is the total area of both plots?


Share
Notifications



      Forgot password?
Use app×