Understanding Coefficients

The video tutorial explains coefficients, which are numbers that multiply variables in expressions. It covers implicit coefficients, such as when a variable appears without a visible coefficient, indicating a coefficient of 1. The tutorial also addresses negative coefficients and demonstrates simplifying expressions by multiplying coefficients with other numbers. The commutative property of multiplication is applied to reorder factors in expressions. The lesson concludes with a summary of key points about coefficients and their role in simplifying variable expressions.

What is the coefficient in the expression 7y?

• 1

• 0

• 7

• y

If a variable has no visible coefficient, what is the assumed coefficient?

• 0

• It depends on the variable

• 1

• 2

How do you simplify the expression 4 times 6x?

• 24x

• 10x

• 6x + 4

• 4x + 6

What is the result of multiplying -3 with 7x?

• 21x

• -21x

• 10x

• -10x

Which property allows you to reorder factors in multiplication?

• Associative Property

• Identity Property

• Distributive Property

• Commutative Property