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Graphical Representation of Linear Equations Part- 2

Students will learn about Graphical Representation of Linear Equations.

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Graphical Representation of Linear Equations Part- 2
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1h 26 min
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Ce que vous apprendrez

How to draw the graph of the linear equation that converts temperature in Fahrenheit to Celsius?
If two students together contribute some amount for relief fund, then how to write a linear equation and draw a graph of the linear equation?
If two scenarios of age of father and his daughter are given, how to represent the situation algebraically and graphically?
If four linear equations and a figure are given, then how to choose the equation whose graph is given in figure?

Contenu du cours

1 rubriques • 7 conférences • 01:26:31 longueur totale

Introduction

07:10

After going through this course, the students will understand:

Any equation which can be put in the form ax + by + c = 0, where a, b and c are real numbers, and a and b are not both zero, is called a linear equation in two variables.

The highest power of x and y in the equation is 1. The number multiplied to variable is called coefficient.

The geometrical (i.e., graphical) representation of a linear equation in two variables is a straight line.

The solution of a linear equation is not affected when:

(i) the same number is added to (or subtracted from) both the sides of the equation.

(ii) you multiply or divide both the sides of the equation by the same non-zero number.

A linear equation in two variables has infinitely many solutions.

Linear Equation: temperature in Celsius and Fahrenheit

05:02
  1. How to draw the graph of the linear equation that converts temperature in Fahrenheit to Celsius?
  2. If temperature is given in Celsius, how to convert it to Fahrenheit?
  3. If temperature is given in Fahrenheit, how to convert it to Celsius?
  4. If the temperature is 0°C, what is the temperature in Fahrenheit, and
  5. and if the temperature is 0°F, what is the temperature in Celsius?
  6. Is there a temperature which is numerically the same in both Fahrenheit and Celsius? If yes, how to find it.

Graph of Linear equation: Contribution by two students

08:26

If two students together contribute some amount for relief fund, then how to write a linear equation and draw a graph of the linear equation?

Choosing equation whose graph is given in figure

09:35

Four equations and a figure are given. How to choose the equation whose graph is given in figure?

Linear equation: Cost of apples and grapes

15:32

The cost of 2 kg. of apples and 1 kg of grapes is given. Further, the cost of 4 kg. of apples and 2 kg. of grapes is also given. How to representation this situation algebraically and geometrically?

Linear equation: Cost of bats and balls

16:40

The coach of a cricket team buys 3 bats and 6 balls for some amount. Later, she buys another bat and 3 more balls for some amount. How to represent this situation algebraically and geometrically?

Linear Equation: Age of father and daughter

24:03

Seven years ago, age of father is seven times his daughter’s age. Also, after three years from now, age of father will be three times his daughter’s age. How to represent this situation algebraically and graphically?

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Prérequis

Basic knowledge of Algebra and Geometric concepts

Public cible

Students, businessmen and general public

À propos de ce cours

  •       How to draw the graph of the linear equation that converts temperature in Fahrenheit to Celsius?
  •       If temperature is given in Celsius, how to convert it to Fahrenheit?
  •       If temperature is given in Fahrenheit, how to convert it to Celsius?
  •       If the temperature is 0°C, what is the temperature in Fahrenheit, and
  •       and if the temperature is 0°F, what is the temperature in Celsius?
  •       Is there a temperature which is numerically the same in both Fahrenheit and Celsius? If yes, how to find it.
  •  

     

     

     

     

  •      If two students together contribute some amount for relief fund, then how to write a linear equation and draw a graph of the linear equation?
  •       Seven years ago, age of father is seven times his daughter’s age. Also, after three years from now, age of father will be three times his daughter’s age. How to represent this situation algebraically and graphically?
  •      The cost of 2 kg. of apples and 1 kg of grapes is given. Further, the cost of 4 kg. of apples and 2 kg. of grapes is also given. How to representation this situation algebraically and geometrically?
  • The coach of a cricket team buys 3 bats and 6 balls for some amount. Later, she buys another bat and 3 more balls for some amount. How to represent this situation algebraically and geometrically?
  • Four equations and a figure are given. How to choose the equation whose graph is given in figure?
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