How to solve a compound inquality without separating

How to solve a compound inquality without separating

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

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The video tutorial explains how to solve compound inequalities by isolating the variable and handling negative multiplication, which requires flipping the inequality sign. It covers rewriting inequalities for clarity and graphing the intersection of solutions. The tutorial emphasizes understanding the 'and' condition in compound inequalities and provides tips for effective problem-solving.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the instructor's preferred method for writing inequalities?

As 'and' statements

As 'or' statements

As equations

As separate inequalities

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When isolating a variable in an inequality, what must you do if you divide by a negative number?

Multiply by a positive number

Subtract a constant from both sides

Flip the inequality sign

Add a constant to both sides

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can you rewrite the inequality '2 is greater than or equal to D which is greater than 1' for clarity?

D is greater than 2 and less than 1

D is less than or equal to 1 and greater than 2

D is less than 2 and greater than 1

D is greater than 1 and less than or equal to 2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the 'and' statement in inequalities represent when graphing?

The union of two graphs

The sum of two graphs

The intersection of two graphs

The difference between two graphs

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it important to understand the 'and' statement in compound inequalities?

It helps in solving equations faster

It determines the range of possible solutions

It eliminates the need for graphing

It simplifies the graphing process