Find linear equation in slope intercept form

Mathematics
Tutor: None Selected Time limit: 1 Day

There were 246 Apple stores worldwide in 2008 and 317 Apple stores worldwide in 2010. Write a linear equation in slope-intercept form that models this growth. Let x stand for the number of years after 2008 and let y= the number of Apple stores worldwide

Jul 12th, 2015

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

563=2x

subtract 536 to have the correct format and you will have

y=2x-563

Please let me know if you need any clarification. I'm always happy to answer your questions.
Jul 12th, 2015

I think I was trying to solve, but the problem I see now only requires to write the formula.  However, I have another question.  Why would I not use ordered pairs to solve for slope and then put that in the slope intercept form.  That was how I was approaching the problem.  I was going to use ordered pairs (0,246) (2,317) to find slope and then insert that in the Y=mx+b formula using any of the one pairs for the Y intercept to complete slope intercept format. Where am I going wrong??

Jul 12th, 2015

Katie - are you there??  I posted a follow up question and need clarification. thanks

Jul 12th, 2015

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