Mathematics
Grade-8
Easy

Question

How many solutions that the equations have when they intersect at a point?

  1. One solution
  2. Two solutions
  3. Three solutions
  4. Infinite solutions

Hint:

There are countless possible answers for a system of linear equations. The number that makes every equation in a system of linear equations true is the system's solution. The answers to the two variables in the two equations will be these points' coordinates.
In this question we have asked the number of solutions that the equations have when they intersect at a point. 

The correct answer is: One solution


    The value or values that hold true for each equation in the system constitute the solution to the system of equations. How many solutions there are for a system can be determined from the graphs of its equations.
    If the point of intersection is the only location where the two graphs meet when the lines cross, the coordinates of that location provide the answer to the equations involving the two variables.
    fraction numerator a 1 over denominator a 2 end fraction not equal to fraction numerator b 1 over denominator b 2 end fraction
    For example: x=y and x+2y=6
    This equation has only one solution as the both the lines intersects at 2,2.
    There are no solutions when the lines are parallel. There are always infinitely many solutions when the two equations graph as the same line.
    So the correct option for number of solutions that the equations have when they intersect at a point is One solution.

    So here we were asked how many solutions that the equations have when they intersect at a point, so we used the concept of linear equations and understood that when two lines intersect at a point, there is only one solution.

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