Solving Multi-Step Inequalities
Learning Objective
I can solve multi-step inequalities involving negative numbers.
Key Concepts
To isolate the variable in an inequality, perform the same operations on both sides of the inequality.
When you multiply or divide both sides of an inequality by a negative number, you must flip the inequality sign.
The solution set of an inequality can be graphed on a number line using an open circle to exclude the endpoint and an arrow to indicate all values greater than or less than the endpoint.
Practice Questions
This lesson includes 10 practice questions to reinforce learning.
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1. What is the first step in solving the inequality -2p + 5 > p - 4?
2. Solve the inequality: -5x - 3 ≤ 2x + 11
3. When solving inequalities, under what condition do you need to reverse the inequality sign?
...and 7 more questions
Educational Video
Multi-step inequalities 3 | Linear inequalities | Algebra I | Khan Academy
Khan Academy