15
QuizMultiple Choice
Powers and Roots of Complex Numbers — Unit test
Question 15 of 25 • Precalculus
Consider w1 = 4 + 2i and w2 = –1 – 3i. Which graph represents the sum w1 + w2?
Answer
A
On a coordinate plane, the y-axis is labeled imaginary and the x-axis is labeled real. A line goes from (0, 0) to point (3, negative 5).
B
On a coordinate plane, the y-axis is labeled imaginary and the x-axis is labeled real. A line goes from (0, 0) to point (3, negative 1).
C
On a coordinate plane, the y-axis is labeled imaginary and the x-axis is labeled real. A line goes from (0, 0) to point (5, 5).
D
On a coordinate plane, the y-axis is labeled imaginary and the x-axis is labeled real. A line goes from (0, 0) to point (5, 1).