Physics 117A Lecture 9: Lecture 9

Which complex number has a distance of √17 from the origin on the complex plane?

A: 2 + 15i.

B: 17 + i.

C: 20 – 3i.

D: 4 – i.

17. What does the following program print? int x = 10; void setup() { int z = times Two (x); println(x); println (2); A. 10, 10, 20 B. 10, 20, 10 c. 10, 20, 20 D. 20, 20, 10 E20, 10, 20 int timesTwo (int x) { x = x + 2; println(x); return x;

17. What does the following program print? void setup() { int x = 10; printval (x); printval (20); println(x); void printval (int x) { println (x); x = 0;