Chapter 12 – Algebraic Expressions

Find the value of a2 + b2 if a = 2 and b = -2.

Write an expression : Raju s father s age is 5 years more than 3 times Raju s age. If Raju s age is x years, then father’s age is

Subtract – 5y2 from y2 .

A _________ can take various values.

The simplified form of the Boolean expression (X + Y + XY)(X + Z) is

Identify terms which contain x in following expression 13 y2 – 8 yx

For what value of ‘m’ is 9 − 5m = (−1)?

The number z is multiplied by itself, write its algebraic expresson.

What is the difference between 3a + 2b and −2a − 5b?

Add 3 mn, -5 mn, 8 mn, -4mn.

Identify, in the following expressions, terms which are not constants : xy + 4.

An expression which contains two unlike terms is called _______.

Get the algebraic expression of subtraction of z from y.

A and B are polynomials and each is the additive inverse of the other. What does it mean?

Find the value of 7a – 4b if a = 3, b = 2.

Get the algebraic expressions for subtraction of z from y.

What is the co-efficient of y in the given algebraic expression 8 + yz.

What are the coefficients of y in the expression 4x – 3y?

Write the term which contains y2 in expression 5y2 + 7x.

Simplify these expressions and Índ their values, if x = 3, a = – 1, b = – 2. 3x – 5a – x2 + 9b

Identify the co-efficient of x in the given expression : 4x – 3y.

The sum of mn + 5 – 2 and mn+3 is

Find the value of x + 4 at x = 2.

What are the coefficients of y in the expression yz2 + 5?

Write the numerical co-efficients of 100 m + 1000 n.

Simplify combining like terms: 3a – 2b – ab – (a – b + ab) + 3ab + b – a

Numbers x and y when both squared and added, write it in algebraic expression.

The length and breadth of a rectangular plot are I and b. Two rectangular paths each of width W run inside the plot one parallel to the length and the other parallel to the breadth. What is the total area of the paths?

In the above identify numerical co-efficient of variables.

Find the value of x + 4 for x = 2.