Checking Solutions by Substitution
Checking Solutions by Substitution is a skill on Pengi from Section 11.1: Writing and Graphing Inequalities in Big Ideas Math, Advanced 2.
Key Concepts
To check if a value is a solution to an inequality, substitute the value for the variable and evaluate both sides. If the resulting statement is true, the value is a solution. If false, it is not a solution.
Common Questions
What is Checking Solutions by Substitution?
Checking Solutions by Substitution is a skill on Pengi from Section 11.1: Writing and Graphing Inequalities in Big Ideas Math, Advanced 2.
What grade level is Checking Solutions by Substitution for?
Checking Solutions by Substitution is part of the Grade 7 Math curriculum, covered in Big Ideas Math, Advanced 2. It is designed for students studying Math at the Grade 7 level.
How can I learn Checking Solutions by Substitution?
Pengi offers an AI-guided lesson for Checking Solutions by Substitution that walks you through the key concepts step by step. The lesson is aligned to Big Ideas Math, Advanced 2 so the content matches what you see in class.
How do I practice Checking Solutions by Substitution?
After learning the concept, use the Practice mode to work through targeted exercises on Checking Solutions by Substitution. The AI adapts to your level and gives feedback on each answer so you can identify and fix mistakes.
Which textbook covers Checking Solutions by Substitution?
Checking Solutions by Substitution is covered in Big Ideas Math, Advanced 2, specifically in Chapter 11: Inequalities under Section 11.1: Writing and Graphing Inequalities. Pengi's lesson is aligned directly to this textbook so you can follow along with your class.
Is Checking Solutions by Substitution free to study on Pengi?
Yes, the core Learn and Practice modes for Checking Solutions by Substitution are available for free on Pengi. No credit card is required to start studying.