raheeeq
08.04.2020 •
Mathematics
Andrea’s work to find the equation of a trend line through the points (48, 61) and (72, 195) is shown below.
What was the first error that Andrea made?
Andrea used the reciprocal of the slope.
Andrea made a computational error when she simplified m.
Andrea substituted incorrectly when she solved for b.
Andrea made a sign error when she solved for b.
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Ответ:
c
Step-by-step explanation: