This is a pre calc question

Calculus
Tutor: None Selected Time limit: 1 Day

Jun 5th, 2015

Thank you for the opportunity to help you with your question!

the curve has a roots of x=-6 and x=8, hence the H=> y=216

hence points A and B have 216 as y cordinate. 

method coming up in a short while.

Please let me know if you need any clarification. I'm always happy to answer your questions.
Jun 5th, 2015

so what is the final answer

Jun 5th, 2015

l2 has the gradient of -2y/3 and l1 has the gradient of y/6,

the line l1 cut H at 7.5 and l2 at 4.5

the distance between A and B is 

=sqrt(7.5^2+4.5^2)

=sqrt(76.5)

=8.746

Jun 5th, 2015

that is it?

Jun 5th, 2015

yes.

Jun 5th, 2015

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