Full Stack Web Development MASTERY Course - Novice to Expert - Math Object in JavaScript

The video tutorial covers basic and advanced mathematical operations in JavaScript using variables and the Math object. It explains how to perform operations like addition, subtraction, multiplication, division, and modulus. The tutorial introduces the Math object, detailing functions such as round, ceil, floor, absolute, power, min, max, and random. It also demonstrates generating random numbers within specific ranges and converting float values to integers.

What is the result of the operation 3 * 6 in JavaScript?

• 3

• 0.5

• 18

• 9

Which of the following is a predefined function in JavaScript's Math object?

• Math.add

• Math.subtract

• Math.abs

• Math.multiply

How do you access the value of π using the Math object in JavaScript?

• Math.pi

• Math.PI

• Math.Pi

• Math.pie

What will Math.round(1.8) return in JavaScript?

• 2

• 1.8

• 1

• 1.5

What does Math.abs(-5) return?

• 5

• 0

• 10

• -5

What is the result of Math.sqrt(81)?

• 8

• 9

• 81

• 10

How do you calculate 2 raised to the power of 3 using the Math object?

• Math.raise(2, 3)

• Math.exp(2, 3)

• Math.power(2, 3)

• Math.pow(2, 3)

What is the range of numbers generated by Math.random()?

• 0 to 10

• 0 to 100

• 0 to 1

• 0 to 1000

Which function would you use to find the smallest number in a series?

• Math.least

• Math.smallest

• Math.max

• Math.min

How can you generate a random integer between 50 and 100?

• Math.random() * 100

• Math.ceil(Math.random() * 50) + 50

• Math.floor(Math.random() * 50) + 50

• Math.random() * 50 + 50