Checking Solutions in Equations

This video tutorial from Friendly Math 101 teaches how to check your answers when solving equations. It explains the importance of ensuring your solution creates a true statement. The tutorial provides examples of both correct and incorrect solutions, demonstrating how to substitute values back into the original equation to verify the accuracy of your answer. The video concludes with an invitation for viewers to ask questions and subscribe for more tutorials.

What is the main focus of the lesson in Friendly Math 101?

• Learning multiplication tables

• Graphing equations

• Checking solutions in equations

• Solving equations

What is the first step in verifying a solution to an equation?

• Graph the equation

• Substitute the solution back into the equation

• Multiply both sides by the solution

• Add the solution to both sides

In the example given, what value is substituted for X?

• 3

• -3

• 4

• 13

What is the result of substituting -3 for X in the equation?

• 13

• 0

• 12

• 9

What does it mean if the equation creates a true statement after substitution?

• The equation is unsolvable

• The solution is correct

• The equation needs to be simplified

• The solution is incorrect

In the incorrect solution example, what value is substituted for A?

• 8

• 24

• 9

• 16

What is the result on the left side of the equation when A is substituted with 8?

• 17

• 33

• 24

• 9

What does a false statement indicate about the solution?

• The equation is linear

• The solution is incorrect

• The solution is correct

• The equation is balanced

What should you do if you have questions about the lesson?

• Ignore the questions

• Leave questions in the comment section

• Rewatch the video

• Ask a friend