SOLUTION: How do you write the correct equation in slope intercept form? A line perpendicular to y=1/2x-1, x-intercept at 4. I would understand if it said y intercept at 4. And I know that t

Question 797517: How do you write the correct equation in slope intercept form? A line perpendicular to y=1/2x-1, x-intercept at 4. I would understand if it said y intercept at 4. And I know that the slope is the opposite reciprocal. Would this be right? Y=-2/1x then moved over to 4 on the x axis? How do you write that?
Answer by jerryguo41(197) (Show Source): You can put this solution on YOUR website!
You are right in saying that the opposite reciprocal is the slope of the perpendicular line. Thus the slope of the new line would be or just .
To find the line that crosses x-axis @ 4, you can plug in (4,0) with the new slope.
Using point-slope form:

- Remember to distribute!
This line is perpendicular to and crosses the x-axis at x=4
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