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| Class 9
Class 9
(
Total Videos: 198
)
Preference
All Chapters
Chapter 1: The Real Number System
Chapter 2: The Complex Number System
Chapter 3: Vector & Matrix Quantities
Chapter 4: Seeing Structure in Expressions
Chapter 5: Arithmetic with Polynomials & Rational Expressions
Chapter 6: Creating Equations
Chapter 7: Reasoning with Equations & Inequalities
Show Content
Select a chapter above and press 'Show Content'. Click a video topic below to view.
Chapter 1 The Real Number System (
9 videos
)
  (
Practice Test
)
1.1: Properties of rational exponents. (
Practice Test
)
Introduction to Rational Exponents
1708 views
Problem-Introduction to Rational Exponents
1057 views
Properties of rational exponents
936 views
Problem-Properties of rational exponents
916 views
Transformation of Radical & Exponential Form
1305 views
Problem-Transforming Radical-Exponential Form
1047 views
1.2: Properties of rational and irrational numbers. (
Practice Test
)
More on Closure Law of Rational Numbers
1616 views
Problem1-Closure Law of Rational Numbers
1226 views
Problem2-Closure Law of Rational Numbers
3058 views
Chapter 2 The Complex Number System (
54 videos
)
  (
Practice Test
)
2.1: Arithmetic operations on complex numbers. (
Practice Test
)
Complex Number Introduction
11996 views
Problem1-Complex Number Introduction
3596 views
Problem2-Complex Number Introduction
3844 views
Introduction to Complex Numbers
3918 views
Problem2-Definition of Complex Number
1343 views
Complex Numbers as Ordered Pairs of Real Numbers
2316 views
Conjugate of Complex Number
3570 views
Problem1-Conjugate of Complex Number
2298 views
Problem2-Conjugate of Complex Number
1489 views
Problem3-Conjugate of Complex Number
1014 views
2.2: Equality of Complex Numbers and its properties (
Practice Test
)
Equality of Complex Number
2295 views
Problem1-Equality of Complex Number
1720 views
Problem2-Equality of Complex Number
770 views
Properties of Complex Number
2278 views
Problem1-Properties of Complex Number
1355 views
Problem2-Properties of Complex Number
604 views
Reflexive & Symmetric Law of Complex Number
1611 views
Problem1-Reflexive-Symmetric Law of Complex Number
1226 views
Problem2-Reflexive & Symmetric Law of Complex Number
534 views
Transitive Law of Complex Number
1388 views
Problem1-Transitive Law of Complex Number
1153 views
Problem2-Transitive Law of Complex Number
478 views
Addition of Complex Number
2981 views
Problem1-Addition of Complex Number
2446 views
Problem2-Addition of Complex Number
595 views
Problem1-Subtraction of Complex Numbers
1212 views
Problem2-Subtraction of Complex Numbers
506 views
Multiplication of Complex with Scalar Numbers
2055 views
Problem1-Multiplying Complex Numbers with Scalar
1775 views
Problem2-Scalar Multiplication of Complex Numbers
602 views
Multiplication of Complex Numbers
2194 views
Problem1-Multiplication of Complex Numbers
1670 views
Problem2-Multiplication of Complex Numbers
568 views
Division of Complex Numbers
2003 views
Problem1-Division of Complex Numbers
1732 views
Problem2-Division of Complex Numbers
540 views
Division Property of Complex Numbers
1543 views
Problem-Expressing complex number in standard form
1722 views
Problem2-Division Property of Complex Numbers
542 views
Conjugate of Complex Number
3570 views
Problem1-Conjugate of Complex Number
2298 views
Problem2-Conjugate of Complex Number
1489 views
Problem3-Conjugate of Complex Number
1014 views
Modulus of Complex Number
1553 views
Problem-Modulus of Complex Number
1190 views
Properties of the Arguments
666 views
Problem-Properties of the Arguments
496 views
Formula for Finding the Principal Argument
2349 views
Problem-Formula for Finding the Principal Argument
963 views
2.3: Represent complex numbers and their operations on the complex plane. (
Practice Test
)
Argand Diagram
1566 views
Problem-Argand Diagram
1127 views
Polar Form of a Complex Number
1260 views
Problem1-Polar Form of a Complex Number
572 views
Problem2-Polar Form of a Complex Number
509 views
Chapter 3 Vector & Matrix Quantities (
69 videos
)
  (
Practice Test
)
3.1: Represent and model with vector quantities. (
Practice Test
)
Components of a Vector
610 views
Scalar and Vector Quantities
4744 views
Problem-Scalar and Vector Quantities
1988 views
Terminologies and Notations of Vectors
2088 views
3.2: Perform operations on vectors. (
Practice Test
)
Addition of Vectors
2680 views
Problem-Addition of Vectors
606 views
Subtraction of Vectors
862 views
Problem-Subtraction of Vectors
421 views
Scalar Multiplication in Space
247 views
Problem-Scalar Multiplication in Space
214 views
Scalar Multiple of a Vector
970 views
Problem-Scalar Multiple of a Vector
486 views
3.3: Perform operations on matrices and use matrices in applications. (
Practice Test
)
Introducing Matrix
36598 views
More on Introducing Matrix
3625 views
Problem-Introducing Matrix
14050 views
Order of Matrix
10702 views
Problem-Order of Matrix
7790 views
Location of elements in Matrix
1815 views
Problem-Location of elements in Matrix
1279 views
Equal Matrices
7813 views
Problem1-Equal Matrices
5711 views
Problem2-Equal Matrices
3091 views
3.4: Types of Matrices (
Practice Test
)
Row-Column Matrix
10233 views
Problem-Row-Column Matrix
4853 views
Square-Rectangular Matrix
6255 views
Problem-Square-Rectangular Matrix
3522 views
Null Matrix or Zero Matrix
5155 views
Practical Application of Matrices
1786 views
Problem-Null Matrix or Zero Matrix
2898 views
Transpose of Matrix
4496 views
Problem-Transpose of Matrix
3502 views
Negative of Matrix
3473 views
Problem-Negative of Matrix
2472 views
Symmetric & Skew-Symmetric Matrices
5957 views
Problem1-Symmetric & Skew-Symmetric Matrices
4625 views
Problem2-Symmetric & Skew-Symmetric Matrices
856 views
Hermitian and Skew Hermitian Matrix
8301 views
Problem-Hermitian and Skew Hermitian Matrix
1596 views
Triangular Matrices
4232 views
Problem-Triangular Matrices
921 views
Diagonal Matrix
4740 views
Problem-Diagonal Matrix
2480 views
Scalar Matrix
6740 views
Problem-Scalar Matrix
2171 views
Identity Matrix
3307 views
Problem-Identity Matrix
2096 views
Adjoint of Matrix
3804 views
Problem-Adjoint of Matrix
2789 views
3.5: Operation on Matrices (
Practice Test
)
Multiplication of Matrix by Real Number
3354 views
Problem-Multiplication of Matrix by Real Number
2039 views
Addition of Matrices
4594 views
Problem-Addition of Matrices
2751 views
Subtraction of Matrices
2574 views
Problem-Subtraction of Matrices
1949 views
Multiplication of Matrices
5440 views
More on Multiplication of Matrices
572 views
Problem1-Multiplication of Matrices
3003 views
Problem2-Multiplication of Matrices
2261 views
Problem3-Multiplication of Matrices
525 views
Problem4-Multiplication of Matrices
Commutative Law of Multiplication of Matrices
1792 views
Problem-Commutative Law of Multiplication of Matrices
1207 views
Associative Law under Multiplication of Matrices
2637 views
Problem-Associative Law under Multiplication of Matrices
1517 views
Additive Identity of a Matrix
2748 views
Problem-Additive Identity of a Matrix
1687 views
Multiplicative Identity of a Matrix
2407 views
Problem-Multiplicative Identity of a Matrix
1725 views
Determinant of 2-by-2 Matrix
4896 views
Chapter 4 Seeing Structure in Expressions (
11 videos
)
  (
Practice Test
)
4.1: Interpret the structure of expressions. (
Practice Test
)
Introducing Variable and Constant
11808 views
Problem-Introducing Variable & Constant
3969 views
Introducing Coefficient & Exponent
3282 views
Problem-Introducing Coefficient & Exponent
2341 views
Problem2-Factoring Polynomial of Degree Four
1586 views
4.2: Write expressions in equivalent forms to solve problems. (
Practice Test
)
Solving Quadratic Equations by Factorization
12270 views
Problem-Solving Quadratic Equations by Factorization
5593 views
Solving Quadratic Equations-Completing Squares
16996 views
Problem1-Solving Quadratic Equations-Completing Squares
7632 views
Problem2-Solving Quadratic Equations-Completing Squares
5835 views
Sum of n Terms of a Geometric Series
1116 views
Chapter 5 Arithmetic with Polynomials & Rational Expressions (
22 videos
)
  (
Practice Test
)
5.1: Perform arithmetic operations on polynomials. (
Practice Test
)
Addition of Polynomials
3619 views
Problem-Addition of Polynomials
454 views
Equality Property of Rational Expression
2904 views
Problem1-Subtraction of Polynomials
10 views
Problem-Equality Property of Rational Expression
915 views
Multiplication of polynomials
2305 views
Problem-Multiplication of polynomials
415 views
5.2: Relation between zeros and factors of polynomials. (
Practice Test
)
Remainder Theorem
6551 views
Problem-Remainder Theorem
3453 views
Zero of polynomial and concept of factor
1131 views
Problem-Zero of polynomial and concept of factor
904 views
5.3: Use polynomial identities to solve problems.
Introduction to Binomial Theorem
3081 views
Problem1-Introduction to Binomial Theorem
1957 views
Problem2-Introduction to Binomial Theorem
1308 views
5.4: Rewrite rational expressions. (
Practice Test
)
Rational and Irrational Expressions
5882 views
Problem-Rational and Irrational Expressions
587 views
Proper & Improper Rational Expressions
100 views
Sum of Rational Expressions
1728 views
Problem-Sum of Rational Expressions
498 views
Difference of Rational Expressions
1299 views
Product of Rational Expressions
1307 views
Division of Rational Expressions
1258 views
Chapter 6 Creating Equations (
25 videos
)
  (
Practice Test
)
6.1: Create equations that describe numbers or relationships. (
Practice Test
)
Solving Simple Linear Equations in 1 Variable
7064 views
Problem1-Solution of Linear Equations
4647 views
Problem2-Solution of Linear Equations
184 views
Introduction to Linear Inequalities
3543 views
6.2: Linear Inequalities (
Practice Test
)
More on Introducing Linear Inequalities
1711 views
Problem1-Introduction to Linear Inequalities
1436 views
Solving Simple Linear Equations in 2 Variables
1059 views
Problem-Solving Simple Linear Equations in 2 Variables
21 views
Solving Simultaneous Linear Equations-Substitution
1859 views
Problem-Solving Simultaneous Linear Equations-Substitution
1110 views
Solving Simultaneous Linear Equations-Comparison
334 views
Solving Linear Equations by Equating Co-efficient
3587 views
Solving linear equations by Cross Multiplication
Problem-Solving linear equations by Cross Multiplication
Simultaneous Linear Equations in 3 Variables
Solution of Three Linear Equations
Curves and Equations
1099 views
Graphical Representation of Functions
1341 views
Plotting the Points on the Graph Paper
Problem-Plotting the Points on the Graph Paper
Solving real life problems by graph
1160 views
Problem-Solving real life problems by graph
780 views
Problem1-Graphing of Linear Inequality in Two Variables
1313 views
Problem2-Graphing of Linear Inequality in Two Variables
1149 views
Problem1-Graphing System of Inequalities
1033 views
Chapter 7 Reasoning with Equations & Inequalities (
8 videos
)
  (
Practice Test
)
7.1: Understand solving equations as a process of reasoning (
Practice Test
)
Solving Radical Equations in 1 Variable
5398 views
Problem1-Solving Radical Equations in 1 Variable
3393 views
Problem2-Solving Radical Equations in 1 Variable
3416 views
Solving Rational Equations
3819 views
7.2: Solve equations and inequalities in one variable. (
Practice Test
)
Solving Quadratic Equations-Completing Squares
16996 views
Problem1-Solving Quadratic Equations-Completing Squares
7632 views
Problem2-Solving Quadratic Equations-Completing Squares
5835 views
Problem-Solving Involving Quadratic Equations
1003 views
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