Linear Equation in Two Variable
Linear Equation in Two Variable
Definition Any equation in which all the terms are of degree 0 and 1 and it has two variables or unknown is known as a linear equation in two variables. An equation of the form
where a, b, c are real numbers, are variables, is called a linear equation in two variables.
Each one of the following equations is a linear equation in two variables:
Explanation: Now let us discuss the equations one by one
Equation 1: The equation has two variables x and y and terms are either degree 1 or 0 so it is a linear equation in two variables.
A man can row a boat in still water at the rate of 6 km per hour. If the stream flows at the rate of 2 km/hour, he takes half the time going downstream than going upstream the same distance, His average speed for upstream and down stream trip is | |||
| Right Option : B | |||
| View Explanation | |||
In a number of two digits, unit's digit is twice the tens digit. If 36 be added to the number, the digits are reversed. The number is | |||
| Right Option : C | |||
| View Explanation | |||
| |||
| Right Option : B | |||
| View Explanation | |||
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