Concept explainers
(a)
To Find:
Find an equation for the line passing through the point and parallel to the given line. Support your work graphically.
Given information:
Point
Line
Concept used:
We can write the equation of a line parallel to a given line if we know a point on the line and an equation of the given line. y=mx+b. Parallel lines have the same slope. The slope of the line with equation y=mx+b is b.
Calculation:
The given Point
Line
So the equation for the line passing through the point
By graphically the graph of
(b)
To Find:
Find an equation for the line passing through the point and perpendicular to the given line. Support your work graphically.
Given information:
Point
Line
Concept used:
We can write the equation of a line perpendicular to a given line if we know a point on the line and an equation of the given line.
Calculation:
The given Point
Line
Here slope m-
So the equation for the line passing through the point and perpendicular to the given line is
By graphically the graph of
Chapter P Solutions
PRECALCULUS:GRAPH...-NASTA ED.(FLORIDA)
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