Activity 13

// 1. Given the following code:

var x = 2;
var y = 3;
var z = 4;
var q;

x = y + z;
y = x - z;
z = x + y;
z = z - y + x;

// Answer and show your work:

// 1a. What is the final value of x:
// 1b. What is the final value of y:
// 1c. What is the final value of z:

// 2. Given the following code:

var x = 10;
var y = 10;
var z = 20;
var r;

x = x + y;
r = y + z;
r = r - z;
y = r + x;

// Answer and show your work:

// 2a. What is the final value of x:
// 2b. What is the final value of y:
// 2c. What is the final value of r:


// 3. Given the following code:

var x = 20;
var y = 30;

x = x + y; // (a)
y = x - y;
x = x - y; // (b)

// Answer and show your work:

// 3a. What is the value of x at (a):
// 3b. What is the final value of y:
// 3c. What is the value of x at (b):

// 4. Given the following code:

var x = 10;
var y = 20;
var z = 30;
var r, q;

r = y + z;
q = r;
r = r - x; // (a)
q = q + r;

// Answer and show your work:

// 4a. What is the value of r at (a):
// 4b. What is the final value of q:

// 5. Given the following code:

var x = 10;
var y = 20;
var z = 30;

y = y + x;
x = x + z;
z = 5;
y = y + x;
x = x + z;

// Answer and show your work:

// 5a. What is the final value of y:
// 5b. What is the final value of x:

// 6. Given the following code:

var x = 10;
var y = 30;
var z = 50;
var p, q;

q = z - x; // (a)
p = 10;
x = x + p;
p = z - x;
q = p + y; // (b)

// Answer and show your work:

// 6a. What is the value of q at (a):
// 6b. What is the final value of x;
// 6c. What is the final value of p:
// 6d. What is the value of q at (b):

// 7. Given the following code:

var x = 1;
var y = 2;
var z = 3;
var p, q;

p = z + y + x;   // (a)
q = (z * y) + x; // (b)
z = x;
p = z + y + x;   // (c)
q = (z * y) + x; // (d)

// Answer and show your work:

// 7a. What is the value of p at (a):
// 7b. What is the value of q at (b):
// 7c. What is the value of p at (c):
// 7d. What is the value of q at (d):

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// 1. Given the following code:

var x = 2;

var y = 3;

var z = 4;

var q;

x = y + z;

y = x - z;

z = x + y;

z = z - y + x;

// Answer and show your work:

// 1a. What is the final value of x:

// 1b. What is the final value of y:

// 1c. What is the final value of z:

// 2. Given the following code:

var x = 10;

var y = 10;

var z = 20;

var r;

x = x + y;

r = y + z;

r = r - z;

y = r + x;

// Answer and show your work:

// 2a. What is the final value of x:

// 2b. What is the final value of y:

// 2c. What is the final value of r:

// 3. Given the following code:

var x = 20;

var y = 30;

x = x + y; // (a)

y = x - y;

x = x - y; // (b)

// Answer and show your work:

// 3a. What is the value of x at (a):

// 3b. What is the final value of y:

// 3c. What is the value of x at (b):

// 4. Given the following code:

var x = 10;

var y = 20;

var z = 30;

var r, q;

r = y + z;

q = r;

r = r - x; // (a)

q = q + r;

// Answer and show your work:

// 4a. What is the value of r at (a):

// 4b. What is the final value of q:

// 5. Given the following code:

var x = 10;

var y = 20;

var z = 30;

y = y + x;

x = x + z;

z = 5;

y = y + x;

x = x + z;

// Answer and show your work:

// 5a. What is the final value of y:

// 5b. What is the final value of x:

// 6. Given the following code:

var x = 10;

var y = 30;

var z = 50;

var p, q;

q = z - x; // (a)

p = 10;

x = x + p;

p = z - x;

q = p + y; // (b)

// Answer and show your work:

// 6a. What is the value of q at (a):

// 6b. What is the final value of x;

// 6c. What is the final value of p:

// 6d. What is the value of q at (b):

// 7. Given the following code:

var x = 1;

var y = 2;

var z = 3;

var p, q;

p = z + y + x; // (a)

q = (z * y) + x; // (b)

z = x;

p = z + y + x; // (c)

q = (z * y) + x; // (d)

// Answer and show your work:

// 7a. What is the value of p at (a):

// 7b. What is the value of q at (b):

// 7c. What is the value of p at (c):

// 7d. What is the value of q at (d):

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