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  • 3 years ago

Tell whether the lines for the pair of equations are parallel, perpendicular, or neither. y = –x + 1 2x – 3y = –3

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  1. cgreenwade2000
    • 3 years ago
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    You want them both in slope intercept form to start: y=mx+b and from there, it's just looking at the slope. Same slopes are parallel. Negative reciprocal slopes are perpendicular. Everything else is neither.

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