Principles of Computing (code)

Variable Tracing

100

5What is the final value of x?

var x = 3;

x = x + 2;

5

200

What is the final value of y?

var x = 4;

var y = x + 3;

y = y * 2;

14

300

What is the final value of z?

var x = 10;

var y = 3;

var z = x % y;

1

400

What are the final values of x and y?

var x = 6;

var y = 2;

x = x + y;

y = x * y;

x = 8, y = 16

500

What are the final values of x, y, and z?

var x = 5;

var y = 8;

var z = x + y;

x = z - 4;

y = x + z;

z = y % 6;

x = 9, y = 22, z = 4