Combining Like Terms and Perimeter

This video tutorial introduces the concept of monomials, focusing on addition and subtraction. It explains how to calculate the perimeter of geometric shapes like triangles and rectangles using monomials. The tutorial emphasizes the importance of similar monomials and demonstrates operations with examples, including handling fractions. The lesson concludes with encouragement for students to apply their learning.

What is the perimeter of a triangle with sides measuring a, 2a, and 2a?

• 6a

• 5a

• 4a

• 3a

How many 'a' terms are there in the expression a + 2a + 2a?

• 3

• 4

• 5

• 6

What is the perimeter of a rectangle with sides 3x and x?

• 4x

• 8x

• 6x

• 7x

What must be true for monomials to be added or subtracted?

• They must have different coefficients.

• They must have the same literal parts.

• They must have different literal parts.

• They must have the same coefficients.

What is the result of adding 5xy, -11xy, and 8xy?

• 5xy

• 4xy

• 3xy

• 2xy

What is the coefficient of the result when adding 1y, 3y, -2y, and -1y?

• 0

• 1

• 2

• 3

What is the sum of 0.5x²y, 2.8x²y, and 3x²y?

• 6.3x²y

• 5.3x²y

• 8.3x²y

• 7.3x²y

What is the result of combining 9a², 2a², and -6a²?

• 6a²

• 8a²

• 5a²

• 7a²

What is the result of adding 15/5a²b, 2a²b, and -4/5a²b?

• 7/5a²b

• 8/5a²b

• 9/5a²b

• 10/5a²b

What is the final result of the expression 7/5a²b?

• 10/5a²b

• 9/5a²b

• 8/5a²b

• 7/5a²b