Question

√2x-√5y=16 is the equation a linear equation in 2 variable

Answer 1

Step-by-step explanation:

Given:

$\sqrt{2} x - \sqrt{5} y = 16$

To find:Is the equation a linear equation in 2 variable?

Solution:

Yes,this is a linear equation in two variables x and y.

Check points:

The equation of standard linear equation in two variables can be expressed as

$ax + by + c = 0$

here,

a, b,c are real numbers.

Power of x and y are 1,So named linear equation.

It must be sure that non of a and b is equal to zero.

If either of a and b is equal to zero,then the equation becomes linear equation in one variable.

Solution of linear equation in two variables:

1. If only one equation is given,then infinite many solutions are present.
2. If two equations are given,then three type of solutions are present:

• Unique situation
• Infinite many solutions
• No solution

Hope it helps you.

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2)Solve the following pair of linear equations by substitution and elimination method

3x + 2y = 10 and 2x -2y = 2

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Answer 2

Step-by-step explanation:

The value of a√2,b=√5,c=16