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Mathematics 15 Online
OpenStudy (anonymous):

What is the slope of a line that passes through the point (−2, 3) and is parallel to a line that passes through (3, 7) and (−2, −8)?

jimthompson5910 (jim_thompson5910):

What is the slope of the line that passes through (3, 7) and (−2, −8)?

OpenStudy (anonymous):

idk..do you know?

jimthompson5910 (jim_thompson5910):

Use the slope formula \[\Large m = \frac{y_{2}-y_{1}}{x_{2}-x_{1}}\]

OpenStudy (anonymous):

okay

jimthompson5910 (jim_thompson5910):

tell me what you get

OpenStudy (anonymous):

-8-7 m=----- -2-3

jimthompson5910 (jim_thompson5910):

good, keep going

OpenStudy (anonymous):

-16 ---- -5

jimthompson5910 (jim_thompson5910):

-8 - 7 isn't -16

OpenStudy (anonymous):

meant 15

jimthompson5910 (jim_thompson5910):

good

jimthompson5910 (jim_thompson5910):

so you should have -15 ----- -5

jimthompson5910 (jim_thompson5910):

does that reduce?

OpenStudy (anonymous):

-3

jimthompson5910 (jim_thompson5910):

good

jimthompson5910 (jim_thompson5910):

the slope of any line parallel to that will be equal

OpenStudy (anonymous):

alright thank you

jimthompson5910 (jim_thompson5910):

np

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