Home
Class 9
MATHS
The equation 2x + 5y = 7 has a unique so...

The equation `2x + 5y = 7` has a unique solution, if x, y are :

A

Natural numbers

B

Positive real numbers

C

Real numbers

D

Rational numbers.

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • Introduction To Euclid's Geometry

    MBD|Exercise Example|1 Videos

  • Lines and Angles

    MBD|Exercise Exercise|95 Videos

Similar Questions

Explore conceptually related problems

The linear equation 2x - 5y = 7 has

For what value of m, the following system of equations have 2x + my = 1 , 3x - 5y = 7 :- a unique solution

Find the value of k for which the following system of linear equations : 2x -ky = 1, 3x - 5y = 7 will have :- a unique solution .

Which of the following pairs of linear equations has unique solution, no solution, or infinitely many solutions. In case there is a unique solution, find it by using cross multiplication method. : 2x+y=5 , 3x+2y=8 .

Which of the following pairs of linear equations has unique solution, no solution, or infinitely many solutions. In case there is a unique solution, find it by using cross multiplication method. : - 3x-5y=20, 6x-10y=40 .

Which of the following pairs of linear equations has unique solution, no solution, or infinitely many solutions. In case there is a unique solution, find it by using cross multiplication method. : - x-3y-7=0 , 3x-3y-15=0

Which of the following pairs of linear equations has unique solution, no solution, or infinitely many solutions. In case there is a unique solution, find it by using cross multiplication method. : x-3y-3=0 , 3x-9y-2=0.

The system of linear equations: 3x+y-z=2,x-z=1 and 2x+2y+az=5 has unique solution, when

MBD-Linear Equations In Two Variables-Exercise
  1. Graph of x = 2 is a line :

    Text Solution

    |

  2. The linear equation 2x - 5y = 7 has

    Text Solution

    |

  3. The equation 2x + 5y = 7 has a unique solution, if x, y are :

    Text Solution

    |

  4. If (2, 0) is a solution of the linear equation 2x + 3y = k, then the v...

    Text Solution

    |

  5. Any solution of the linear equation 2x + 0y + 9 = 0 in two variables i...

    Text Solution

    |

  6. The graph of the linear equation 2x + 3y = 6 cuts the y-axis at the po...

    Text Solution

    |

  7. The equation x = 7, in two variables, can be written as

    Text Solution

    |

  8. Any point on the x-axis is of the form

    Text Solution

    |

  9. Any point on the line y = x is of the form

    Text Solution

    |

  10. The equation of x-axis is of the form

    Text Solution

    |

  11. The graph of y = 6 is a line

    Text Solution

    |

  12. x = 5,y = 2 is a solutioin of the linear equatioin

    Text Solution

    |

  13. If a linear equation has solutions (- 2, 2), (0, 0) and (2,- 2), then ...

    Text Solution

    |

  14. The positive solutions of the equation is ax+by+c=0 always lie in the

    Text Solution

    |

  15. The graph of the linear equation 2x + 3y = 6 is a line which meets the...

    Text Solution

    |

  16. The graph of the linear equation y = x passes through the point

    Text Solution

    |

  17. If we multiply or divide both sides of a linear equation with a non-ze...

    Text Solution

    |

  18. How many linear equationsin x and y can be satisfied by x = 1 and y = ...

    Text Solution

    |

  19. The point of the form (a, a) always lies on :

    Text Solution

    |

  20. The point of form (a, -a) always lies on the line

    Text Solution

    |