Distributive property with a negative one ex2, -(-5 - 4y)

The video tutorial addresses the confusion students face with negative multiplication and the distributive property. It introduces the multiplication property of -1, explaining how a negative number or variable can be represented as -1 times the number or variable. The tutorial demonstrates applying the distributive property with -1 and simplifies expressions by treating the negative sign as an opposite. This approach helps students understand and simplify problems involving negative numbers.

What is the multiplication property of -1?

• It states that any number multiplied by -1 becomes zero.

• It states that a negative number can be rewritten as -1 times the number.

• It states that -1 has no effect on multiplication.

• It states that multiplying by -1 reverses the order of operations.

How can you apply the distributive property to the expression -1(-5 - 4Y)?

• By adding -1 to each term.

• By subtracting -1 from each term.

• By multiplying each term by -1.

• By dividing each term by -1.

What is the result of distributing -1 across the terms -5 and -4Y?

• Negative 5 and positive 4Y

• Negative 5 and negative 4Y

• Positive 5 and negative 4Y

• Positive 5 and positive 4Y

How can you quickly simplify an expression with negative terms?

• By finding the opposite of each term.

• By adding all terms together.

• By dividing all terms by two.

• By multiplying all terms by zero.

What is the opposite of the term -4Y?

• -8Y

• 4Y

• 0

• -4Y