Unit 7 - Functions and Parameters Review

What is an argument?

• A variable passed as a value to a function

• A variable passed in from outside the function

What is an parameter?

• A variable passed as a value to a function

• A variable passed in from outside the function

What is the parameter of this

function quadrupleNumber(x){

var quadX = 4 * x;

println(quadX);

}

• x

• println

• quadX

• none

Why do we write functions?

• Make our code easier to understand by giving a readable name to a group of instructions

• Avoid writing repeated code

• Make our code reusable

• All of the above

It is very important to pass parameters to functions in the proper order

• True

• False

What are the parameters of the printNumbers function?

function printNumbers(first, second, third){

println(first);

println(second);

println(third);

}

• first, second, third

• x, y, z

• println

• rintNumbers

Which statement allows us to return values from functions?

• break

• if

• return

• function

These are any variable names listed within a function's argument definition.

example: myFunction(x, y)

• Parameter

• Literals

• Constraints

• Variables

When drawing in Javascript, the coordinates for the top left of the screen is:

• 0,400
• 0,0
• 400,0
• 400,400

How many return values come out of the function sum?

function sum(first, second){

var result = first + second;

return result;

}

• 0

• 1

• 2

• 3