Understanding Graphs and Functions

The video tutorial covers lesson 21.2 of Algebra 1B, focusing on factoring and solving equations. The instructor encourages students to complete end-of-credit checkpoints and demonstrates using Desmos for graphing and checking solutions. Key concepts such as x-intercepts, solutions, and roots are explained. Students are advised to use various methods like factoring, graphing, and the quadratic formula to solve problems. The lesson concludes with a preview of the next lesson, 22.1.

What is the purpose of completing the end of credit checkpoint after each lesson?

• To review the material while it's fresh

• To skip the next lesson

• To get extra credit

• To avoid doing homework

What is the main focus of lesson 21.2?

• Graphing linear equations

• Studying calculus

• Factoring and solving equations

• Learning about geometry

Which tool is recommended for checking your answers when factoring?

• A ruler

• A protractor

• Desmos graphing calculator

• A compass

What is the purpose of using the Desmos graphing calculator in this lesson?

• To calculate area

• To find x values or zeros

• To draw shapes

• To measure angles

What are x-intercepts also known as?

• Vertices

• Edges

• Zeros or roots

• Centers

What should you not write as an answer for question number three?

• The square root method

• The factoring method

• The graphing method

• The quadratic formula

What are the different names for the points where a graph crosses the x-axis?

• Shapes, forms, figures

• Angles, lines, points

• Vertices, edges, centers

• Solutions, zeros, roots

What is the next lesson after 21.2?

• Lesson 22.1

• Lesson 21.3

• Lesson 23.1

• Lesson 20.1