Fred wants to but two teeshirt. The first shop sells them for £11.45 each and it is buy one get one half price. The second shop
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Equation of a line that is perpendicular to given line is .
Equation of a line that is parallel to given line is .
Solution:
Given line .
Slope of this line, =
Slope of perpendicular line,
Passes through the point (–7, 5). Here .
Point-slope formula:
Subtract 7 from both sides, we get
Equation of a line that is perpendicular to given line is .
To find the parallel line:
Slopes of parallel lines are equal.
Passes through the point (–7, 5). Here .
Point-slope formula:
Subtract 7 from both sides,
Equation of a line that is parallel to given line is .