Are the graphs of the pair of equations parallel, perpendicular, or neither?
y = 2x + 1
2x - y = 3

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Answer:See below Step-by-step explanation:y = 2x+1     <====  is in form   y = mx + b   where 'm' is the slope        ....arrange the other into this form y = 2x-3         <===== this has the same slope as the other line                           so the two lines are PARALLEL