Learn how to factor out the GCF then use difference of two squares

The video tutorial covers various factoring techniques, emphasizing the importance of factoring out negatives and using the difference of squares method. It explains how to simplify expressions by identifying square numbers and using square roots. The tutorial also explores alternative methods for factoring, ensuring students understand different approaches to achieve the same result.

Why does the teacher prefer to factor out the negative when factoring expressions?

• To simplify the expression into a single term

• To avoid using fractions

• To ensure the front term is positive

• To make the expression more complex

What is the first step in determining if a number is a squared number?

• Divide the number by 2

• Take the square root of the number

• Multiply the number by itself

• Check if the number is positive

What is the value of 'a' if a^2 equals 1/25 Z^2?

• 1/5 Z

• 5 Z

• Z

• 1/25 Z

Which expression represents the difference of two squares?

• a + b

• a - b

• a^2 + b^2

• a^2 - b^2

What is the alternative method mentioned for factoring the expression Z^2 - 25?

• Completing the square

• Using the difference of two squares

• Factoring out 1/25

• Using the quadratic formula