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dmvhunny
New Member

USA
2 Posts

 Posted - 03/14/2011 :  09:08:25 Use the determinant to write an equation of the line passing through (–1, 3) and (2, 4). Then expand the determinant, expressing the line’s equation in slope-intercept form.

royhaas
Moderator

USA
3059 Posts

 Posted - 03/14/2011 :  10:30:56 This should be explained in your textbook.

dmvhunny
New Member

USA
2 Posts

 Posted - 03/14/2011 :  10:55:29 quote:Originally posted by royhaasThis should be explained in your textbook.I looked in my textbook under the chapter we are currently on and It wasn't in there

royhaas
Moderator

USA
3059 Posts

 Posted - 03/14/2011 :  15:44:24 Usually the determinant will look like this:(x y 1)( -1 3 1)(2 4 1)Expand by minors, set it equal to zero and simplify.
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