Home
Class 10
MATHS
Find the value of 'a' if the line 7y=ax+...

Find the value of 'a' if the line `7y=ax+4 and 2y=3-x` are parallel.

A

`a=(7)/(2)`

B

`a=(-2)/(7)`

C

`a=(2)/(7)`

D

`a=(-7)/(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • NUMBER AND SEQUENCES

    SURA PUBLICATION|Exercise Unit test|12 Videos

  • RELATIONS AND FUNCTIONS

    SURA PUBLICATION|Exercise Unit Test|14 Videos

Similar Questions

Explore conceptually related problems

Find the value of p if lines 3y - 2x = 4 and 4y - px = 2 are perpendicular to each other .

Find the values of x, y for which the lines AD and BC become parallel.

Find the value of 'a' if the line through (-2,5)(2,-3) is perpendicular to y=ax+3

Find the area of the triangle formed by the line x+y=3 and the angle bisectors of the pair of lines x^2-y^2+4y-4=0

Find the value of k if the following equation represents a pair of straight lines. Further, find whether these lines are parallel or intersecting 12x^(2)+7xy-12y^(2)-x+7y+k=0 .

Find the value of k, if the following equation represents a pair of straight lines . Further find wheter these lines are parallel or intersecting 12x^(2) + 7xy - 12 y^(2) - x + 7y + k = 0

Find the equation of the straight line passing through the intersection of the lines x-2y=1 and x+3y=2 and parallel to 3x+4y=0.

Find the value of 'k' for which the pair of equations 2x - ky + 3 = 0. 4x + 6y - 5 = 0 represent parallel lines.

Find the equation of the normal to the circle x^2+y^2-2x=0 parallel to the line x+2y=3.

SURA PUBLICATION-ONE MARK QUESTIONS SET -Multiple Choice Question
  1. Find the value of P, given that the line (y)/(2)=x-p passes through th...

    Text Solution

    |

  2. The slope of the straight line 2y=x+8 is .

    Text Solution

    |

  3. Find the value of 'a' if the line 7y=ax+4 and 2y=3-x are parallel.

    Text Solution

    |

  4. If tan theta+cot theta=3, then tan^(2) theta+cot^(2) theta=.

    Text Solution

    |

  5. If x=a sec theta and y=b tan theta then b^(2)x^(2)-a^(2)y^(2)=.

    Text Solution

    |

  6. The angle of elevation of the top of tree from a point at a distance o...

    Text Solution

    |

  7. The angle of depression of a boast from 50sqrt(3) high bridge is 30^(@...

    Text Solution

    |

  8. A ladder of length 14 m just reaches the top of a wall. If the ladder ...

    Text Solution

    |

  9. The ratio of the volumes of two sphere is 8:27. If r and R are the rad...

    Text Solution

    |

  10. The material of a cone is covered into the shape of a cylinder of equa...

    Text Solution

    |

  11. A solid frustum is of height 8 cm. If the radii of its lower and upper...

    Text Solution

    |

  12. When Karuna divided surface area of the sphere by the sphere's volume,...

    Text Solution

    |

  13. If the co-efficient of variation and S.D of a data are 35% and 7.7 res...

    Text Solution

    |

  14. A letter is chosen at random from the letter of the word "PROBABILITY"...

    Text Solution

    |

  15. When three coins are tossed, the probability of getting the same face ...

    Text Solution

    |

  16. The range of first 10 prime numbers is .

    Text Solution

    |

  17. If the data is multiplied by 4, then the corresponding variance is get...

    Text Solution

    |

  18. If an event occurs surely, then its probability is .

    Text Solution

    |

  19. The probability of an impossible event is .

    Text Solution

    |

  20. If the sm of 10 data values is 265 then their mean is .

    Text Solution

    |