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.

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royhaas

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.

dmvhunny

Posted - 03/14/2011 : 10:55:29

quote:Originally posted by royhaas

This 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

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