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Two lines with equations y = 3x-6 and y = 3x + 4

  • meet when y = 3.
  • are at right angles.
  • are parallel.

Explanation from PART66Online

Both lines have the same gradient of 3 but different y-intercepts (-6 and +4), so they never meet and run parallel. Lines are at right angles only when the product of their gradients is -1, which is not the case here.

T

Tariq Taeem asked · 21 Jan 2012

can anyone solve this,i didnt understand.

Community Comments (1)

P
PART66Online 21 Jan 2012
Hello Tariq.

You can check how it look like here: rechneronline.de/function-graphs
Just enter functions and enjoy. :)
But anyway, functions almost same, in y diffirence always is 10.

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