02:17
Multiplying and Dividing Both Sides of an Inequality by a Negative Number
It is necessary to reverse the inequality symbol whenever you multiply or divide by a negative number.
Subject: symbol
Transcript: SOLVED BY REVERSING THE INEQUALITY SYMBOL AS WELL. WE HAVE TO REVERSE THE SYMBOL ANY TIME WE MULTIPLY OR DIVIDE BY A NEGATIVE NUMBER. HERE'S WHY. IF WE
01:59
Writing Compound Inequalities
Step-by-step demonstration of combining inequalities.
Subject: symbol
Transcript: NARRATOR: LET'S WRITE ANOTHER COMPOUND INEQUALITY. WE'LL USE THESE TWO STATEMENTS. X IS GREATER THAN 3 AND X IS LESS THAN 8. THE SYMBOLS MUST POINT