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Mathematics 8 Online
OpenStudy (anonymous):

PLZ HELP! What is the slope of a line that passes through the point (-5, 3) and is parallel to a line that passes through (2, 13) and (-4, -11)?

jimthompson5910 (jim_thompson5910):

What is the slope of the line that passes through (2, 13) and (-4, -11) ?

OpenStudy (anonymous):

idk honestly i usually have it in slope intercept form

jimthompson5910 (jim_thompson5910):

Use the formula: Slope = (y2 - y1)/(x2 - x1)

OpenStudy (anonymous):

okay so it would be -24/ -6?

jimthompson5910 (jim_thompson5910):

which reduces to what

OpenStudy (anonymous):

it reduces to -4/1?

jimthompson5910 (jim_thompson5910):

close

jimthompson5910 (jim_thompson5910):

the negatives cancel when they divide

jimthompson5910 (jim_thompson5910):

and 4/1 = 4

OpenStudy (anonymous):

oh so 4/1

jimthompson5910 (jim_thompson5910):

yes

jimthompson5910 (jim_thompson5910):

or just 4

jimthompson5910 (jim_thompson5910):

That's the slope through (2, 13) and (-4, -11)

jimthompson5910 (jim_thompson5910):

The slope of ANY line parallel to this one will be equal to this slope value since parallel lines have equal slopes.

OpenStudy (anonymous):

oh okay thanks :) again lol

jimthompson5910 (jim_thompson5910):

yw

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