Find the equation of the line specified.The line passes through the points ( 7, -7) and ( 6, -5)

The slope through (7, −7) and (6, −5) is (−5 − (−7))/(6 − 7) = 2/(−1) = −2. Substituting (7, −7) into y = −2x + b gives −7 = −14 + b, so b = 7. The equation is y = −2x + 7, choice A.

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