# CBSE IX MATHEMATICS #### CBSE IX MATHEMATICS

• Teacher

krishnam raju
• Lessons

213 Lessons
• Students

37 (Registered)
###### Description
Course Description

BRAINBOX

###### Curriculum
LINEAR EQUATION IN TWO VARIABLES
INTRODUCTION
LINEAR EQUATIONS(EXPLANATION)
LINEAR EQUATIONS
TYPES OF LINEAR EQUATIONS(EXPLANATION)
TYPES OF LINEAR EQUATIONS
LINEAR EQUATION IN ONE VARIABLE-A(EXPLANATION)
LINEAR EQUATION IN ONE VARIABLE_A
LINEAR EQUATION IN TWO VARIABLE-B(EXPLANATION)
LINEAR EQUATION IN TWO VARIABLE_B
SIMULTANEOUS LINEAR EQUATIONS(EXPLANATION)
SIMULTANEOUS LINEAR EQUATIONS
SOLUTIONS OF SIMULTANEOUS LINEAR EQUATIONS(EXPLANATION)
SOLUTIONS OF SIMULTANEOUS LINEAR EQUATIONS
SOLVED PROBLEMS-01(EXPLANATION)
SOLVED PROBLEMS_01
METHODS TO SOLVE SIMULANEOUS LINEAR EQUATIONS(EXPLANATION)
METHODS TO SOLVE SIMULANEOUS LINEAR EQUATIONS
PROCEDURE TO SOLVE SUBSTITUTION METHOD(EXPLANATION)
PROCEDURE TO SOLVE SUBSTITUTION METHOD
PROCEDURE TO SOLVE ELIMINATION METHOD(EXPLANATION)
PROCEDURE TO SOLVE ELIMINATION METHOD
GRAPH OF LINEAR EQVATION IN TWO VARIABLES(EXPLANATION)
GRAPH OF LINEAR EQVATION IN TWO VARIABLES
GRAPHICAL SOLUTION OF PAIR OF LINEAR SIMULTANEOUS EQUATIONS(EXPLANATION)
GRAPHICAL SOLUTION OF PAIR OF LINEAR SIMULTANEOUS EQUATIONS(NOTES)
ANY PAIR OF LINES IN THE SAME PLANE(EXPLANATION)
ANY PAIR OF LINES IN THE SAME PLANE
EQUATION OF LINES PARALLEL TO X- AXIS-A(EXPLANATION)
EQUATION OF LINES PARALLEL TO X- AXIS_A
EQUATION OF LINES PARALLEL TO X- AXIS-B(EXPLANATION)
EQUATION OF LINES PARALLEL TO X- AXIS-B
EQUATION OF LINES PARALLEL TO Y – AXIS-A(EXPLANATION)
EQUATION OF LINES PARALLEL TO Y – AXIS-A
EQUATION OF LINES PARALLEL TO Y- AXIS-B(EXPLANATION)
EQUATION OF LINES PARALLEL TO Y- AXIS_B
SOLVED PROBLEMS-02(EXPLANATION)
SOLVED PROBLEMS_02
SOLVED PROBLEMS-03(EXPLANATION)
SOLVED PROBLEMS_03
SOLVED PROBLEMS-04(EXPLANATION)
SOLVED PROBLEMS_04
SUMMARY
LEVEL-1A
10 questions
LEVEL-1B
8 questions
LEVEL-2A
10 questions
LEVEL-2B
5 questions
LEVEL_3A
8 questions
Graphical solution of simultaneous le (Online link)
Graph of linear equation in two variables (Online link)
Equation of line parallel to x axis and y axis (Online link)
Procedure to solve substitution method (Online link)
HERONS FORMULA
INTRODUCTION
INTRODUCTION(EXPLANATION)
BASIC FORMULA-RIGHT ANGLE TRIANGLE(EXPLANATION))
BASIC FORMULA-RIGHT ANGLE TRIANGLE(NOTES)
EQUILATERAL TRIANGLE(EXPLANATION)
EQUILATERAL TRIANGLE
ISOSCELES TRIANGLE(EXPLANATION)
ISOSCELES TRIANGLE
RIGHT ANGLE ISOSCLES TRIANGLE(EXPLANATION)
HERON’S FORMULA(EXPLANATION)
HERON’S FORMULA
PERIMETER OF DIFFERENT TRIANGLES(EXPLANATION)
SEMI PERIMETER OF DIFFERENT TRIANGLE(EXPLANATION)
EXAMPLE OF AREA OF TRIANGLE KNOWN THREE SIDES-(EXPLANATION)
EXAMPLE OF AREA OF TRIANGLE (KNOWN THREE SIDES)
APPLICATION OF HERON’S FORMULA IN FINDING AREA OF QUADRILATRAL(EXPLANATION)
APPLICATION OF HERON’S FORMULA IN FINDING AREA OF QUADRILATRAL
AREA OF QUADRILATERAL IF YOU KNOW HIRGHT OF THE TRIANGLES(EXPLANATION)
AREA OF QUADRILATERAL IF YOU KNOW HIRGHT OF THE TRIANGLES
PROBLEM BASED ON AREA OF QUADRILATERAL(EXPLANATION)
PROBLEM BASED ON AREA OF QUADRILATERAL
SOLVED PROBLEM-01(EXPLANATION)
SOLVED PROBLEM_01
SOLVED PROBLEM-02(EXPLANATION)
SOLVED PROBLEM_02
SOLVED PROBLEM-03(EXPLANATION)
SOLVED PROBLEM_03
SOLVED PROBLEM-04(EXPLANATION)
SOLVED PROBLEM_04
SOLVED PROBLEM-05(EXPLANATION)
SOLVED PROBLEM_05
SOLVED PROBLEM-06(EXPLANATION)
SOLVED PROBLEM_06
LEVEL_1A
6 questions
LEVEL_2A
1 question
Area of triangle by herons formula (Online link)
POLYNOMIALS
INTRODUCTION
AN ALGEBRAIC EXPRESSION POLYNOMIAL(Explanation)
AN ALGEBRAIC EXPRESSION POLYNOMIAL (NOTES)
VALUE OF A POLYNOMIAL(Explanation)
VALUE OF A POLYNOMIAL (NOTES)
DEGREE OF A POLYNOMIAL IN ONE VARIABLE(Explanation)
DEGREE OF A POLYNOMIAL IN ONE VARIABLE (NOTES)
DEGREE OF A POLYNOMIAL IN TWO VARIABLES(Explanation)
DEGREE OF A POLYNOMIAL IN TWO VARIABLES (NOTES)
CONSTANT POLYNOMIALS(Explanation)
CONSTANT POLYNOMIALS (NOTES)
LINEAR POLYNOMIALS(Explanation)
LINEAR POLYNOMIALS (NOTES)
CUBIC POLYNOMIALS(Explanation)
CUBIC POLYNOMIALS (NOTES)
CLASSIFICATION OF POLYNOMIAL BASED ON NUMBER OF TERMS(Explanation)
CLASSIFICATION OF POLYNOMIAL BASED ON NUMBER OF TERMS (NOTES)
ZEROES OF A POLYNOMIAL(Explanation)
ZEROES OF A POLYNOMIAL (NOTES)
DIFFERENCE BETWEEN MULTI NORMAL AND POLYNOMIAL(Explanation)
DIFFERENCE BETWEEN MULTI NORMAL AND POLYNOMIAL (NOTES)
DEFFERENT BETWEEN ZERO POLYNOMIAL AND ZERO OF POLYNOMIAL(Explanation)
DEFFERENT BETWEEN ZERO POLYNOMIAL AND ZERO OF POLYNOMIAL (NOTES)
DIVISION OF A POLYNOMIAL BY ANOTHER POLYNOMIAL(Explanation)
DIVISION OF A POLYNOMIAL BY ANOTHER POLYNOMIAL (NOTES)
FIND THE REMAINDEER(Explanation)
FIND THE REMAINDEER (NOTES)
LEAVES A REMAINDER FIND THE VALUE(Explanation)
LEAVES A REMAINDER FIND THE VALUE (NOTES)
DIVISION PRINCIPLE(Explanation)
DIVISION PRINCIPLE (NOTES)
N-2 DIVISIORS AND REMAINDERS TABLE(Explanation)
N-2 DIVISIORS AND REMAINDERS TABLE (NOTES)
N-3(Explanation)
N-3 (NOTES)
FACTOR THEOREM(Explanation)
FACTOR THEOREM (NOTES)
USE OF FACTOR THEOREM IN FACTORIZATION(Explanation)
USE OF FACTOR THEOREM IN FACTORIZATION (NOTES)
IDENTITY(Explanation)
IDENTITY (NOTES)
DIVIDE USING REMAINDER THEOREM SOLUTION 01(Explanation)
DIVIDE USING REMAINDER THEOREM SOLUTION 01 (NOTES)
CHECK FACTOR SOLUTION 02(Explanation)
CHECK FACTOR SOLUTION 02 (NOTES)
ALGEBRAIC IDENTITIES SPECIAL IDENTITIES SOLUTION 03(Explanation)
ALGEBRAIC IDENTITIES SPECIAL IDENTITIES SOLUTION 03 (NOTES)
SHOW THAT FACTOR HENCE CPMPLETLY FACTORIES THE ABOVE EXPRESSION SOLUTION 04(Explanation)
SHOW THAT FACTOR HENCE CPMPLETLY FACTORIES THE ABOVE EXPRESSION SOLUTION 04 (NOTES)
FIND THE VALUESOF THE CONSTANTS ‘A’ AND ‘B’ SOLUTION 05(Explanation)
FIND THE VALUESOF THE CONSTANTS ‘A’ AND ‘B’ SOLUTION 05 (NOTES)
FIND THE VALUES SOLUTION 06(Explanation)
FIND THE VALUES SOLUTION 06 (NOTES)
USE THE FACTOR THEOREM TO FACTORISE COMPLETLY SOLUTION 07(Explanation)
USE THE FACTOR THEOREM TO FACTORISE COMPLETLY SOLUTION 07 (NOTES)
REMAINDER THEOREM(Explanation)
REMAINDER THEOREM (NOTES)
FUNDAMENTAL THEOREM OF ALGEBRA(Explanation)
FUNDAMENTAL THEOREM OF ALGEBRA (NOTES)
SUMMARY
LEVEL_1A
10 questions
LEVEL_1B
5 questions
LEVEL_2A
10 questions
LEVEL_2B
1 question
LEVEL_3A
10 questions
LEVEL_3B
7 questions
LEVEL_4A
10 questions
LEVEL_4B
9 questions
COORDINATE GEOMETRY
INTRODUCTION(Explanation)
INTRODUCTION (NOTES)
CARTESIAN PLANE(Explanation)
CARTESIAN PLANE (NOTES)
ORDERED PAIR(Explanation)
ORDERED PAIR (NOTES)
LOCATING A POINT IN A CARTESIAN PLANE THROUGH AN LINE(Explanation)
LOCATING A POINT IN A CARTESIAN PLANE THROUGH AN LINE (NOTES)
SINGNS OF CO-ORDINATES OF QUADRANTS (NOTES)
MIRROR IMAGE(Explanation)
MIRROR IMAGE (NOTES)
SOLVED PROBLEM-1(Explanation)
SOLVED PROBLEM-1 (NOTES)
SOLVED PROBLEM-2(Explanation)
SOLVED PROBLEM-2 (NOTES)
SOLVED PROBLEM-3(Explanation)
SOLVED PROBLEM-3,4(Explanation)
SOLVED PROBLEM-5(Explanation)
SOLVED PROBLEM-5 (NOTES)
LEVEL-1
17 questions
LEVEL-2
10 questions
INTRODUCTION TO EUCLID'S GEOMETRY
Euclid’s Approach to Geometry (Explanation)
Euclid’s some properties Axioms 1 (Explanation)
Euclid’s some properties Axioms 2 and 3 (Explanation)
Euclid’s Axioms 4 and 5 (Explanation)
Euclid’s Axioms 6 and 7 (Explanation)
Euclid’s Postulates 1 and 2 (Explanation)
Euclid’s Postulates 3 and 4 (Explanation)
Euclid’s Postulates 5 (Explanation)
Equivalent version of Euclid’s 5th postulate (Explanation)
Non-Euclidean geometry (Explanation)
Solved examples 1 and 2 (Explanation)
Solved example 3 (Explanation)
Solved example 4 (Explanation)
Solved example 5 (Explanation)
Areas of Parallelograms and Triangles
Geometry originated with measurement of lands the process(Explanation)
Relationship between the parallelograms(Explanation)
Triangles same base and between same parallels(Explanation)
Parallelogram and Rectangle some bases(Explanation)
TRIANGLES
Triangles, closed figures(Explanation)
Sides and angles of a triangles(Explanation)
Properties of congruent Relation(Explanation)
Some important Results Congruent of Triangles(Explanation)
Some important Results Congruence of Triangles(Explanation)
CIRCLES
Introduction to circle(Explanation)
Angle subtended by a chord at a point(Explanation)
Perpendicular from the center to a chord(Explanation)
Equal chords and distances from the center(Explanation)
Angle subtended by an arc of a circle(Explanation)
Angle subtended by an arc of a circle Theorems(Explanation)
NUMBER SYSTEM
Basics of real numbers (Explanation)
Determine rational between two rational numbers (Explanation)
Irrational numbers (Explanation)
Real numbers (Explanation)
Conservation of non-terminating repeating decimal number (Explanation)
Representing (Real numbers) Decimals (Explanation)
Operations on real numbers (Explanation)
Existance of square root, Passitive real numbers (Explanation)
Some important indentities (Explanation)
Rationalising real numbers (Explanation)
Laws of exponents for real numbers (Explanation)

Check out for next lesson shortly

###### Announcement

Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum.