Solving Absolute Value Equations

The video tutorial explains how to solve absolute value equations by considering different cases. It covers the general form of such equations and demonstrates how to set up and solve them using algebraic methods. The tutorial also includes a graphical verification of the solutions, showing the intersection points of the graphs of the absolute value expressions. The solutions are verified to be correct through both algebraic and graphical methods.

What is the initial problem statement in the video?

• Solving a quadratic equation

• Integrating a polynomial

• Solving an absolute value equation

• Finding the derivative of a function

How many cases are generally considered when solving absolute value equations?

• Four

• Three

• Five

• Two

What is the first step in setting up the equations to solve the given problem?

• Divide both sides by 3

• Add 5 to both sides

• Set the expressions inside the absolute values equal to each other

• Multiply both sides by 2

What operation is performed to isolate the x terms in the first equation?

• Add 6x to both sides

• Subtract 6x from both sides

• Multiply both sides by 6

• Divide both sides by 6

Tags

CCSS.7.EE.B.4A

What is the solution for x in the first equation?

• 2.0

• 0.5

• 3.5

• 1.25

Tags

CCSS.8.EE.C.7B

What is the next step after dropping the parenthesis in the second equation?

• Subtract 6x from both sides

• Add 6x to both sides

• Multiply both sides by 2

• Divide both sides by 2

Tags

CCSS.8.EE.C.7B

What is the solution for x in the second equation?

• 0.375

• 0.25

• 0.625

• 0.5

How are the solutions verified graphically?

• By using a calculator to check the solutions

• By plotting the solutions on a number line

• By graphing the absolute value functions and finding intersection points

• By substituting the solutions back into the original equation

Tags

CCSS.8.EE.C.8B

What are the x-coordinates of the intersection points on the graph?

• 0.625 and 1.75

• 0.25 and 1.0

• 0.375 and 1.25

• 0.5 and 1.5

Tags

CCSS.8.EE.C.7B

What is the importance of not rounding the decimal solutions?

• It helps in graphing the solution

• It simplifies the calculation

• It ensures the solution remains exact

• It makes the solution easier to understand

Tags

CCSS.8.EE.C.7B