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Mathematics 10 Online
OpenStudy (imsleeziboii):

HELP!!!

OpenStudy (kayders1997):

Question?

OpenStudy (imsleeziboii):

The answer is D

OpenStudy (faiqraees):

no

OpenStudy (imsleeziboii):

WHAT?

OpenStudy (kayders1997):

no

OpenStudy (faiqraees):

well you didnt grab the concept of gradient correctly. It only applies when there is no coefficient with y

OpenStudy (imsleeziboii):

How?

OpenStudy (imsleeziboii):

Then the answer has to be C.

OpenStudy (kayders1997):

you have to divide the phone problem by -8 so you will still have -1/4 slope which is perpendicular

OpenStudy (kayders1997):

Yes

OpenStudy (kayders1997):

Actually

OpenStudy (kayders1997):

Yes

OpenStudy (kayders1997):

Omg no

OpenStudy (faiqraees):

\[\large\rm 8y=-2x-5 \]\[\large\rm y=\frac {-2x-5}{8} \]\[\large\rm y=-1/4x -5/8 \]

OpenStudy (faiqraees):

see thats why d is a correct equation

OpenStudy (kayders1997):

I keep looking at wrong option!

OpenStudy (imsleeziboii):

So i was right the entire time?

OpenStudy (faiqraees):

no d isnot correct option

OpenStudy (kayders1997):

you subtract the x to be -x divide by 4 so you would still get -1/4x so thats not right either

OpenStudy (faiqraees):

and neither is c

OpenStudy (kayders1997):

agreed

OpenStudy (faiqraees):

no the correct gradient for the perpendicular is -1/4. b is the only option in which the gradient is 1/4

OpenStudy (imsleeziboii):

So the answer is B?

OpenStudy (faiqraees):

should i explain every option? and yes

OpenStudy (imsleeziboii):

No thank you.

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