Keyword Analysis & Research: equations of parallel and perpendicular lines

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How to write equation for parallel lines?

So, to find an equation of a line that is parallel to another, you have to make sure both equations have the same slope. In the general equation of a line y = mx + b , the m represents your slope value. An example of paralell lines would therefore be: (1) y = mx + b . (2) y = mx + c . With b and c being any constants.

Which pair of equations represents perpendicular lines?

Simply solve for the y in each equation, and if your slopes are opposite slopes with opposite signs and opposite reciprocal in which the numerator and the denominator is switched, the lines are perpendicular. y=-8/3x+9------> first line.

How do you find the equation of a parallel line?

So, to find an equation of a line that is parallel to another, you have to make sure both equations have the same slope. In the general equation of a line #y=mx+b# , the #m# represents your slope value. An example of paralell lines would therefore be: (1) #y=mx+b#. (2) #y=mx +c#. With #b# and #c# being any constants.