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.
Behärska ekvationer med två variabler
Förbättra dina färdigheter i att lösa linjära ekvationer med två variabler
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2 na mga seksyon • 5 mga lektura • 01:17:04 kabuuang habaExpressing an equation as a Linear Equation
When the cost of one item is twice the cost of another item, how to write a linear equation in two variables to represent the situation?
How to express an equation as a Linear equation in the form ax+by+c=0 and find out the values of a, b and c.
Linear Equations - finding values of a, b and c
How to rewrite the given equation in the standard form of linear equation in two variables and finding values of coefficients of variables and also c.
Linear Equations: Four solutions
How to write the four solutions for a given linear equation in two variables?
How to find whether a given linear equation in two variables has only one unique solution or only two solutions or infinitely many solutions?
Linear Equation: Checking the given solutions
How to find which is the correct solution out of the given solutions for a linear equation in two variables?
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Tungkol sa kursong ito
Vad betyder linjär ekvation med två variabler?
Vad är standardformen för en linjär ekvation med två variabler?
Påverkas lösningen av en linjär ekvation när samma tal adderas eller subtraheras på båda sidor av ekvationen?
Vad är den grafiska representationen av en linjär ekvation med två variabler?
När kostnaden för en artikel är dubbelt så hög som kostnaden för en annan artikel, hur skriver man en linjär ekvation med två variabler för att representera situationen?
Hur uttrycker man en ekvation som en linjär ekvation i formen ax+by+c=0 och hittar värdena för a, b och c?
Hur omskriver man den givna ekvationen i standardformen för linjär ekvation med två variabler och hittar värdena för koefficienterna för variablerna och även c?
Hur skriver man de fyra lösningarna för en given linjär ekvation med två variabler?
Hur avgör man om en given linjär ekvation med två variabler har endast en unik lösning eller endast två lösningar eller oändligt många lösningar?
Hur avgör man vilken är den korrekta lösningen bland de givna lösningarna för en linjär ekvation med två variabler?
Hur löser man den linjära ekvationen där det endast finns en variabel?
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