amandasmith246 amandasmith246
  • 12-04-2018
  • Mathematics
contestada

What is the slope of a line perpendicular to line A?

7/4
-4/7
4/7
-7/4

What is the slope of a line perpendicular to line A 74 47 47 74 class=

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CometZ CometZ
  • 12-04-2018
So the gradient for line A is 4/7 since rise/run is 4/7
This means line B (which is said to be perpendicular) will be the reciprocal of line A and so the reciprocal of 4/7 is 7/4 but you also have to change the sign so the answer would be:

-7/4
Answer Link
kaileyr172001
kaileyr172001 kaileyr172001
  • 26-03-2019

Answer:

the answer would be:

-7/4

Good luck! <3

Answer Link

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