The slope “m” is calculated from any two individual points (x 1 ... In one variable, a linear function can be written as follows: This is identical to the given formula for a linear ...

Some important points ... An equation of the form ax + by + c = 0, where a, b and c are real numbers, such that a and b are not both zero, is called a linear equation in two variables.

Plot points with coordinates where ... and read the value on the \(x\)-axis. A linear graph could be used when exchanging euros into pounds, two different types of currency.

2. Graphical Method: The graph of a pair of linear equations in two variables is represented by two lines. (i) If the lines intersect at a point, then that point gives the unique solution of the ...

for example \(3x + 5 = 11\) Solving an equation means finding the value or values for which the two expressions are equal. This means equations are not always true. In the example above ...