1.Include : How can a customer find or calculate the slope of a line?
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Does the equation of a line always appear in the same form? If it is not in y =mx+b form, what should the customer do?
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How do m and b affect the equation of a line?
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What information do our customers need to order lines correctly?

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How could a customer figure out what line to order if he/she only knew one point and the slope?
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How could a customer figure out what line to order if he/she only knew two points on the line?
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How could a customer figure out what line to order if he/she had the equation of a line but wanted a line parallel to the line?
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How could a customer figure out what line to order if he/she had the equation of a line but wanted a line perpendicular to the line?
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