21
QuizMultiple Choice

Unit Test — Unit test

Question 21 • GA-Advanced Algebra: Concepts and Connections CR

In which quadrant is the number 6 – 8i located on the complex plane?

Answer
A
I
B
II
C
III
D
IV

Explanation

A complex number a + bi is plotted at (a, b) on the complex plane. For 6 – 8i, the real part is 6 and the imaginary part is –8, so the point is (6, –8). A positive real coordinate and a negative imaginary coordinate place it in Quadrant IV.

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