SOLUTION: What is the slope of a line that is perpendicular to the graph of: y=(-1/2)x+4? (Please explain).

Algebra ->  Graphs -> SOLUTION: What is the slope of a line that is perpendicular to the graph of: y=(-1/2)x+4? (Please explain).      Log On


   

Question 289187: What is the slope of a line that is perpendicular to the graph of: y=(-1/2)x+4? (Please explain).
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
y=(-1/2)x+4 (red line)
This line has a slope=-1/2.
Any perpendicular line will have a slope=the negative reciprocal of -1/2 OR 2.
y=2x+4 (green line)
+graph%28+300%2C+300%2C+-10%2C+10%2C+-10%2C+10%2C+-x%2F2+%2B4%2C+2x+%2B4%29+ (graph 300x300 pixels, x from -10 to 10, y from -10 to 10, of TWO functions -x/2 +4 and 2x +4).