8
QuizMultiple Choice
Distance and Midpoints in the Complex Plane
Question 8 • *PGHS Precalculus B
Joelle was asked to find the missing endpoint of a segment when given an endpoint of –6 +3i and a midpoint of –13 + i. Her work is shown below.Her mistake was
Answer
A
not subtracting the a and b in the original equations.B
writing the final answer as 1+ 5i instead of 5 + i.C
switching the endpoint and midpoint in her original equations.D
not using –6 and 3 in one of her original equations and –13 and 1 in the other original equation.