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Question 639867: The equation of another line ST passes through the point (5, 0) and is parallel to a line with gradient of -2.
f) Find the equation of the line ST.
Answer by lwsshak3(11628)   (Show Source):
You can put this solution on YOUR website! The equation of another line ST passes through the point (5, 0) and is parallel to a line with gradient of -2.
f) Find the equation of the line ST.
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Standard form of equation for a line: y=mx+b, m=slope, b=y-intercept
Parallel lines have the same slope,m=-2
slope of line ST=-2
equation: y=-2x+b
solve for b using coordinates of given point (5,0)
0=-2*5+b
0=-10+b
b=10
Equation for line ST: y=-2x+10
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