Identifying Parts of Expressions (Example)

The video tutorial explains how to identify terms, variables, coefficients, and constants in a mathematical expression. It begins by defining terms as parts separated by plus or minus signs, identifying three terms in the given expression. The tutorial then highlights variables A and B, explaining that A has a coefficient of 3, while B has a coefficient of 1 due to the identity property of multiplication. Finally, it identifies 7 as a constant, as it is not multiplied by a variable.

How many terms are present in the given expression?

• One

• Four

• Two

• Three

Which of the following are identified as variables in the expression?

• M and N

• X and Y

• C and D

• A and B

What is the coefficient of the variable 'A' in the expression?

• 4

• 3

• 2

• 1

What is the coefficient of the variable 'B' in the expression?

• 2

• 1

• 3

• 0

Which number is identified as a constant in the expression?

• 5

• 6

• 8

• 7