Consider the set of all lines px + qy + r = 0 such that 3p + 2q + 4r = 0. Which one of the following statements is true?

a. |
The lines are all parallel. |
b. |
Each line passes through the origin |

c. |
The lines are not concurrent |
d. |

Consider the set of all lines px + qy + r = 0 such that 3p + 2q + 4r = 0. Which one of the following statements is true?

a. |
The lines are all parallel. |
b. |
Each line passes through the origin |

c. |
The lines are not concurrent |
d. |

1 Answer

127 votes

Given set of lines px + qy + r = 0

Given condition 3p + 2q + 4r = 0

p + q+ r = 0

All lines pass through a fixed point .

127 votes

127