SOLUTION: how do i find slope-intercept form? i need to find the slope-intercept form for the line through the points (2,4) and (2,2). please help fast! :] thanks!

Question 143170: how do i find slope-intercept form?
i need to find the slope-intercept form for the line through the points (2,4) and (2,2).
please help fast!
:]
thanks!
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
First lets find the slope through the points (,) and (,)

Start with the slope formula (note:

is the first point (,) and

is the second point (,))

Plug in ,,, (these are the coordinates of given points)

Subtract the terms in the numerator to get . Subtract the terms in the denominator to get

Since the denominator is zero, the slope is undefined (remember you cannot divide by zero). So we cannot use the slope intercept form to write an equation. So we can only say that the equation is a vertical line through , which means the equation is (notice this is not in slope-intercept form)

So the equation looks like this:
Graph of through the points (,) and (,)

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