Exploring Rational Expressions: Addition and Subtraction

What happens when an absolute value is set equal to a negative number?

• It has no solution

• It has one solution

• It has two solutions

• It has infinite solutions

What does the absolute value represent in mathematics?

• The maximum value

• The minimum value

• The distance to zero

• The average value

What is the purpose of the translation chart mentioned in the video?

• To convert words into symbols

• To solve inequalities faster

• To help understand which operation to use in word problems

• To translate languages

What does not change the direction of an inequality?

• Adding a positive number

• Subtracting a negative number

• Multiplying by a negative number

• Dividing by a positive number

What is the result of multiplying both sides of an inequality by a positive number?

• The inequality reverses

• The inequality remains unchanged

• The inequality becomes an equation

• None of the above

When solving an inequality, why is it important to graph the solution?

• To find the exact value

• None of the above

• To make it look nice

• Because there are infinitely many possibilities

What must you do when you multiply or divide both sides of an inequality by a negative number?

• Change the inequality direction

• None of the above

• Multiply by 2

• Keep the inequality direction the same

What should you do when dividing both sides of an inequality by a fraction?

• Multiply by the reciprocal

• Add the fraction to both sides

• Subtract the fraction from both sides

• Divide by the fraction directly

How many hours do you need to work to buy a digital camera if you earn $9.50 per hour and the camera costs $247?

• At least 27 hours

• At least 26 hours

• At least 25 hours

• At least 24 hours

In the context of the video, what does 'at least' indicate in an inequality?

• Less than

• Greater than

• Greater than or equal to

• Equal to