Mathematics
Algebraic expressions
बीजीय व्यंजक
Algebraic Expressions introduces Class 9 Mathematics students to the language used for representing numbers and relationships with variables. As part of the chapter Introduction to Polynomials, students learn to identify terms, coefficients, constants, and variables; distinguish like and unlike terms; and simplify expressions by combining like terms. They also practise substituting values to evaluate expressions and applying addition, subtraction, multiplication, and division carefully, building a foundation for understanding polynomials and solving algebraic problems.
Practice questions
Which option gives the correct simplified form of (6xy-2x+3xy+5x)?What is the simplified form of (2a-[3b-{a-2b}])?What is the simplified form of (3(2x+1)-4(x-2))?What is obtained by subtracting (3a+4b) from (5a-2b)?If (x=-2), what is the value of (x^3-2x^2+5)?What is the simplified form of (2(3p-q)+3(p+2q))?Which expression represents subtracting the sum of the square of (t) and (2t) from (9)?What is the simplified form of (2x/3 + x/6)?If (m+n=8) and (m-n=2), what is the value of (3(m+n)-2(m-n))?Which option gives the correct sum of (2x^2-3x+1) and (x^2+5x-4)?What is the simplified form of (6x-[2x+{3-x}])?Which of the following expressions is not a polynomial?The sides of a triangle are (x+2), (2x-1), and (3x+4). What is the expression for its perimeter?What is the simplified form of (-3(2y-5)+4(y+1))?Which option gives the correct simplified form of (7ab-3a+2ab+5a)?If \(x=4\), what is the value of \(\frac{x^2-2x}{4}\)?What is the simplified form of (2x(3x+1)-x(4x-5))?Which expression represents adding (5) to twice the difference of (x) and (2)?If (x-y=5), what is the value of (4x-4y+3)?What is the simplified form of (8-(3x-2)+2(x-5))?