Question

Consider the line 4x+2y=-7.

What is the slope of a line perpendicular to this line?

What is the slope of a line parallel to this line?

Answer 1

Answer:

To find slop from the given equation,

Slope (m) =

$\frac{ - \: cofficients \: of \: x }{cofficient \: of \: y}$

So, slope of this equation is - 2

For perpendicular case,

M1 . M2 = - 1

Thus, m2 = 2 ( for this equation)

Similarly,

For parallel case,

M1 = m2

Thus, m2 = - 2 ( for this equation)

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