Understanding Perimeter of a Triangle with Binomials

The video tutorial explains how to find the perimeter of a triangle by summing the lengths of its sides, which are given as binomials. It covers the process of combining like terms and calculating the final perimeter, including the units of measurement.

What is the first step in finding the perimeter of a polygon?

• Divide the lengths of all sides

• Find the sum of the lengths of all sides

• Subtract the lengths of all sides

• Multiply the lengths of all sides

In the context of the video, what is a binomial?

• A polynomial with two terms

• A polynomial with one term

• A polynomial with four terms

• A polynomial with three terms

Which of the following represents the first side of the triangle?

• 3x^2 + 4

• 2x^2 + 5

• x^2 + 7

• 7x + 9

Tags

CCSS.7.EE.A.1

What is the purpose of combining like terms in the binomials?

• To change the units

• To simplify the expression

• To increase the number of terms

• To make the expression more complex

Tags

CCSS.7.EE.A.1

What is the result of combining the x terms in the binomials?

• 16x

• 10x

• 12x

• 14x

What is the final expression for the perimeter of the triangle?

• x^2 + 12x + 12

• x^2 + 18x + 18

• x^2 + 14x + 14

• x^2 + 16x + 16

Why are the units of inches added at the end of the calculation?

• To make the expression more complex

• To specify the measurement units

• To ensure the expression is dimensionless

• To convert the expression to meters

Tags

CCSS.6.EE.A.2C

What is the significance of putting the final expression in parentheses?

• To group the terms together

• To separate it from the units

• To highlight the expression

• To indicate multiplication

Tags

CCSS.6.EE.A.2C