Soft sound solving quadratics by completing the square

The video tutorial covers the method of completing the square, emphasizing its importance when factoring is not possible. It explains the steps involved, including taking half of B, squaring it, and creating a perfect square. The tutorial also highlights the use of inverse operations to solve equations, providing a comprehensive understanding of the process.

Why is it important to learn the method of completing the square?

• It is the only method to solve quadratic equations.

• It is useful when problems are not factorable.

• It is a new method introduced recently.

• It is faster than factoring.

What is the first step in the process of completing the square?

• Add a constant to both sides.

• Subtract B from both sides.

• Multiply the equation by 2.

• Take B/2 and square it.

What value is added to the equation to create a perfect square in the example given?

• 6

• 9

• 3

• 8

After completing the square, what operation is used to solve for X?

• Addition

• Multiplication

• Square root

• Division

What are the final solutions for X in the given example?

• X = 3 and X = -3

• X = 2 and X = 4

• X = -2 and X = -4

• X = 1 and X = -1