Condition for parallel lines

a_1=a_2

Result unit: — (warunek)

What it describes

Two lines are parallel when they have equal slopes.

a_1, a_2

slopes of the lines

Parallel lines have the same slope — they never intersect (or they coincide).

Determining the relative position of lines; finding a parallel line.

Line

y=2x+1

. Give the slope of a line parallel to it.

Substitution

a_1=2

Result

a_2=2

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