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unit 3: parallel & perpendicular lines homework 6: slope-intercept form & standard form determine if the equations are parallel, perpendicular, or neither y=-3x+6 and y=1/3 x-8

Sagot :

Answer:

Step-by-step explanation:

Eq.  1:  y=-3x+6

Eq. 2:  y=1/3 x-8

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Form:  y = mx + b, where m is the slope and b the y-intercept.

Parallel lines have identical slopes.  Perpendicular lines have slopes that are the negative inverse of each other.

Line   Slope

 1          -3

 2         (1/3)

(1/3) is the negative inverse of -3, so these lines are perpendicular.

See attachment.

View image rspill6