**Algebraic Expression and Identities** - Class 7 Mathematics CBSE ICSE

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**Algebraic Expression and Identities**by practicing the below questions from class 7 Mathematics.###### The degree of the polynomial 9x^{8} - 7x^{6} + 3x^{2} is _____.

###### The degree of the polynomial 3x + 4y - 2 is

###### $\frac{7{x}^{3}-5{x}^{2}+x}{2x}\mathrm{is}\mathrm{\_\_\_\_\_\_}.$

###### (5x^{2}y - 2y) (3xy - x) is ________.

###### $\frac{-20{x}^{7}+16{x}^{4}}{4{x}^{3}}\mathrm{is}\mathrm{\_\_\_\_\_\_}.$

###### Speed of a car is 5x^{2}+3x+7 k/h. then distance covered by in 3 hours is ______.

###### $-36{x}^{7}{y}^{4}{z}^{3}\xf7-6{x}^{2}{y}^{2}z\mathrm{is}\mathrm{\_\_\_\_\_}.$

###### (x+2) (x-1) (x+1) is ______.

###### The number of terms in the expression 3x^{2} + 2xy + y^{2} + 4 is

###### $\frac{10x+10y}{10}\mathrm{is}\mathrm{\_\_\_\_}.$

Topics in Class 7 Mathematics:

Simple interest

Area and Perimeter of plane figures and surface area and volume of cube and cuboids

Factorization and Linear Equations

Algebraic Expression and Identities

Applications of Percentage

Simple and Compound Interest

Direct and Inverse Variation

Data Handling

Understanding Quadrilaterals

Area of Polygons

Representing Solids on Plane Surfaces

Surface Area and Volume

Rational Numbers

Playing with Numbers

Square and Square Roots

Cube and Cube Roots

Powers and Exponents

Time and Work

Percentage and its Applications

Ratio and Proportion

Properties of Triangles

Perimeter and Area of Circles and Some Rectilinear Figures

Area and Perimeter of plane figures and surface area and volume of cube and cuboids

Factorization and Linear Equations

Algebraic Expression and Identities

Applications of Percentage

Simple and Compound Interest

Direct and Inverse Variation

Data Handling

Understanding Quadrilaterals

Area of Polygons

Representing Solids on Plane Surfaces

Surface Area and Volume

Rational Numbers

Playing with Numbers

Square and Square Roots

Cube and Cube Roots

Powers and Exponents

Time and Work

Percentage and its Applications

Ratio and Proportion

Properties of Triangles

Perimeter and Area of Circles and Some Rectilinear Figures

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