Podcast
Questions and Answers
In the context of inequalities with one variable, what happens to the inequality sign when multiplying or dividing by a negative number?
In the context of inequalities with one variable, what happens to the inequality sign when multiplying or dividing by a negative number?
- It stays the same
- It reverses (correct)
- It becomes undefined
- It switches to an equality sign
When solving inequalities with two variables, what is an important step to take?
When solving inequalities with two variables, what is an important step to take?
- Graphing the solution set on a coordinate plane (correct)
- Substituting different values for the variables
- Using the quadratic formula to find the solutions
- Rearranging the inequality to isolate one variable
For the inequality 3x - 7 < 5, what is the correct first step in solving for x?
For the inequality 3x - 7 < 5, what is the correct first step in solving for x?
- Dividing both sides by 3
- Multiplying both sides by 3
- Subtracting 7 from both sides (correct)
- Adding 7 to both sides