Multiplying and Simplifying Expressions

Multiplying and Simplifying Expressions

Assessment

Interactive Video

Created by

Sophia Harris

Mathematics

6th - 8th Grade

Hard

This video tutorial covers the multiplication of binomials and trinomials using the area model and FOIL method. It provides examples of each method, explains special cases like zero terms, and demonstrates how to find shaded regions using polynomial multiplication. The video emphasizes the importance of writing answers in standard form and combining like terms.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of using the FOIL method in multiplying binomials?

To simplify the expression

To organize the multiplication process

To add the terms together

To divide the terms

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the area method, what shape is used to organize the multiplication of binomials?

Square

Circle

Triangle

Rectangle

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When using the FOIL method, what does the 'O' stand for?

Outer

Order

Over

Open

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to like terms when simplifying expressions after using the FOIL method?

They are combined

They are divided

They are subtracted

They are multiplied

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of multiplying x by x in the expression (x + 2)(x + 4)?

2x

4x

x^2

x

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you express (x + 4)^2 using binomials?

(x + 4)(x - 4)

(x + 2)(x - 2)

(x + 4)(x + 4)

(x + 2)(x + 2)

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in finding the area of a shaded region?

Add the areas

Multiply the areas

Subtract the smaller area from the larger area

Divide the areas

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the expression 2x + 7 times 9x - 2, what is the result of 2x times 9x?

18x^2

18x

9x

9x^2

9.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final simplified form of the expression 18x^2 + 59x - 14 - 3x^2 - 36x?

15x^2 + 59x - 14

15x^2 + 23x - 14

18x^2 + 59x - 36x

18x^2 + 23x - 14

10.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What should you do if you have questions while watching the video?

Ignore them

Ask and pause the video

Rewatch the entire video

Skip to the end

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