Algebra II : Algebra II

Study concepts, example questions & explanations for Algebra II

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Example Questions

Example Question #13 : Solving Inequalities

Inequalties

Find the solution space for the following inequality: 

Possible Answers:

Correct answer:

Explanation:

When solving an inequality, first isolate the variable: 

(subtract 5 from both sides)

     

                      

___________________

          

(divide both sides by -2)

            

(remember when dividing both sides by a negative, you must flip the inequality sign because the sign on both sides changed)

 is the answer! 

 

Important note:

The negative two cancels on the right side and the  on the left side. Since both sides went from negative to positive values the inequality sign flips.

 

Example Question #51 : Inequalities

Solve the following inequality:

Possible Answers:

Correct answer:

Explanation:

Isolate all the terms with x on one side and all other terms on the other side. Our first step is to subtract four from each side.

We the get

.

We now need to divide both sides by -5.

However, whenever you multiply or divide by a negative number, you flip the direction of the inequality.

Example Question #15 : Solving Inequalities

Solve the following inequality:

Possible Answers:

Correct answer:

Explanation:

To solve the inequality we want to isolate the x variable on one side and all other constants on the other side.

The first step is two add six to both sides.

Next, divide by negative four and remember when dividing by a negative you must flip the inequality sign.

Example Question #2091 : Algebra Ii

Possible Answers:

Correct answer:

Explanation:

To solve absolute value inequalities, you have to set up two different inequalities: and . Then, solve each one separately as normal. The first one yields a solution set of and the second one yields . Those are your two answers.

Example Question #51 : Inequalities

Solve the inequality.

Possible Answers:

Correct answer:

Explanation:

Example Question #2091 : Algebra Ii

Solve the inequality.

Possible Answers:

Correct answer:

Explanation:

Divide both sides by  

Example Question #22 : Solving Inequalities

Solve the following inequality for .

Possible Answers:

Correct answer:

Explanation:

Solve the following inequality for .

Begin by getting like terms on the same side of the inequality sign.

Next, combine like terms:

Finally, divide by 5.

Example Question #2092 : Algebra Ii

Solve:

Possible Answers:

Correct answer:

Explanation:

To solve this inequality, work as though it were a normal equation. Add five to both sides and then divide by . Remember, when you multiply or divide by a negative number with inequalities, you have to flip the inequality sign. Therefore, your answer is:

Example Question #2093 : Algebra Ii

Solve for .

Possible Answers:

Correct answer:

Explanation:

 Subtract  on both sides.

Example Question #255 : Basic Single Variable Algebra

Solve for .

Possible Answers:

Correct answer:

Explanation:

 Subtract  on both sides.

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