Determine which lines, if any, are parallel? Explain. Line a passes through (-2, 3) and (-4,1).
Line b passes through (1.2) and (-1,-1).
Line c passes through (3, 1) and (1, -1).
Step by step explanation

Lines s and c are parallel because both have slopes equal to 1.

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example 2 – simplify: step 1: completely factor both the numerators and denominators of all fractions. step 2: change the division sign to a multiplication sign and flip (or reciprocate) the fraction after the division sign; essential you need to multiply by the reciprocal. step 3 : cancel or reduce the fractions.