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Understanding Inequalities and Expressions

Understanding Inequalities and Expressions

Assessment

Interactive Video

Mathematics, English, Science

6th - 7th Grade

Practice Problem

Hard

Created by

Thomas White

FREE Resource

In this lesson, Caitlin discusses a problem involving equivalent equations and explains why they are not equivalent for all values of x. The lesson covers combining like terms, analyzing a test question on subtracting expressions, and selecting true statements for any value of x. It concludes with a scenario involving inequalities related to a library party.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main issue with Andre's claim that 10x + 6 and 5x + 11 are equivalent?

They are only equivalent when x equals 1.

They are equivalent when x equals 2.

They are equivalent for all values of x.

They are equivalent for no values of x.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why can't 10x + 6 and 5x + 11 be considered equivalent for all x?

They are equivalent for x = 0.

They are equivalent for x = 5.

They are equivalent for x = 3.

They are not equivalent for x = 2.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which expression can be subtracted from 9x to result in 3x + 5?

5x + 6

5x - 6

6x + 5

6x - 5

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the correct simplification of 7x + 2x + 7?

7x + 2

7x + 9

9x + 7

9x + 9

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which statement is true for any value of x?

3x + 10 = 3x - 10

6x - 2x = 2x

5x - 8 = 5x + 8

4x - 2x = 2x

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a correct simplification of 6x - 2x?

4x

0

8x

2x

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of subtracting a negative number from another number?

It becomes zero.

It remains the same.

It becomes a larger number.

It becomes a smaller number.

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