Writing Linear Inequalities from Word Problems

The video tutorial covers the basics of writing linear inequalities, focusing on understanding inequality symbols such as less than, greater than, and their variations with equal to. It emphasizes the importance of recognizing keywords like 'at most' and 'at least' to correctly translate scenarios into inequalities. The tutorial includes practice problems to reinforce learning and provides codes for quizzes to further practice at home.

What is the purpose of knowing inequality symbols?

• To write essays

• To change scenarios into inequalities

• To draw graphs

• To solve equations

Tags

TEKS.MATH.6.9B

Which symbol represents 'less than'?

• <

• <=

• >

• >=

Tags

TEKS.MATH.6.9A

What does the symbol '<=' mean?

• Greater than

• Less than or equal to

• Greater than or equal to

• Less than

Tags

TEKS.MATH.6.10A

Which keyword indicates the use of the 'greater than' symbol?

• Maximum

• More than

• Below

• At most

Tags

TEKS.MATH.6.9A

What does the symbol '>=' mean?

• Less than or equal to

• Greater than

• Greater than or equal to

• Less than

Tags

TEKS.MATH.6.10A

Which keyword would you look for to use the 'less than or equal to' symbol?

• At least

• Minimum

• At most

• More than

Tags

TEKS.MATH.6.10A

If a problem states 'X is at least 7', which symbol should be used?

• >=

• <=

• >

• <

Tags

TEKS.MATH.6.9A

In the context of inequalities, what does the keyword 'maximum' indicate?

• Greater than or equal to

• Less than or equal to

• Less than

• Greater than

Tags

TEKS.MATH.6.10A

Which inequality symbol would you use for 'X is more than 1'?

• <=

• >

• <

• >=

Tags

TEKS.MATH.6.9A

If a problem states '45 dollars or less', which symbol should be used?

• >=

• <=

• >

• <

Tags

TEKS.MATH.6.9A