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Determine whether the lines y = 3x + 5 and -3x - y = 9 are parallel, perpendicular or neither. Explain.


Sagot :

Answer:

Neither

Step-by-step explanation:

Solve both equations for y or point Slope form.

y = 3x + 5 is already done.

Second equation

-3x - y = 9 add y - 9 to both sides

y = - 3x - 9

They have opposite slopes but not reciprocal and the slopes are not equal to each other so they are neither parallel or perpendicular.