Solving Inequalities with Negative Coefficients

Solving Inequalities with Negative Coefficients

Assessment

Interactive Video

Mathematics, Social Studies

1st - 6th Grade

Hard

Created by

Quizizz Content

FREE Resource

The video tutorial explains how to solve inequalities involving negative coefficients. It highlights common mistakes, such as failing to switch the inequality sign when dividing by a negative number. The tutorial uses examples to demonstrate different ways to express inequality statements and solve linear inequalities. It also analyzes a specific mistake made by a student named Cadence, explaining why the inequality sign must be switched to obtain the correct solution. The lesson emphasizes the importance of understanding the rules of multiplication and division with negative numbers in the context of inequalities.

Read more

5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What was the mistake in Cayden's initial solution to the inequality problem?

Cayden divided by a positive number.

Cayden used the wrong numbers.

Cayden forgot to switch the inequality sign.

Cayden added instead of subtracted.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following statements is equivalent to '5 is less than 8'?

5 is equal to 8

8 is greater than 5

5 is greater than 8

8 is less than 5

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a common misunderstanding when solving inequalities with negative coefficients?

Using positive numbers

Switching the inequality sign when multiplying or dividing by a negative

Adding numbers to both sides

Subtracting numbers from both sides

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it necessary to switch the inequality sign when dividing by a negative number?

To keep the inequality balanced

To ensure the solution is positive

To reflect the opposite relationship

Because the rules of division change

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the correct solution to the inequality problem discussed in the lesson?

X is greater than -4

X is less than -4

X is greater than 4

X is equal to -4