Discuss Forum

1.

what is the slope of the line perpendicular to the line y = -5x +9 ?

  • A. 5
  • B. 5
  • C. 5
  • D. 5

Answer: Option C

Explanation:

y = - 5x + 9

y + 5x = 9....... (1)

সুতরাং, (১) নং রেখাটির লম্বরেখার সমীকরণ 5y - x = k

y = x/5 + k

লম্ব রেখাট ঢাল = 1/5 .


Post your comments here:

Name:
Mobile:
Email:(Optional)

» Your comments will be displayed only after manual approval.