Solving Radical Equations and Inequalities Algebra 2 8
Solving Radical Equations and Inequalities Algebra 2 8 -8
• Radical Equation – Any equation that includes a variable inside a radicand (or with a fractional exponent) • To solve radical equations, isolate the radical on one side of the equal sign, and raise both sides of the equation to the necessary power to remove the radical sign Vocabulary
Radical Equations
Radical Equation - Example
Radical Equation - Practice
Radical Equation
Radical Equation - Example
Radical Equation - Practice
Radical Equation - Example
Radical Equation - Practice
Radical Equation - Example
Radical Equation - Practice
Radical Equations - Example
Radical Equations - Example
• Solve the following equation (on paper) How many solutions are there? 2 What are they? x=2, x=9 Technology Activity
• Solve the following equation (on a calculator) Let f 1(x) = x Let f 2(x) = Technology Activity
• Solve the following equation (on a calculator) The solution is where both lines cross. Move the screen to find the solution Let f 1(x) = x Let f 2(x) = Now how many solutions are there? Technology Activity
• Solve the following equation (on a calculator) Let f 1(x) = x Let f 2(x) = To find the solution Menu > 6 > 4 on the calculator, find the value where the The solution is the “X” value lines intersect Technology Activity
• Using a calculator, determine the number of solutions of each equation 1 1 2 Technology Activity
• Pg 633 – 635 • 28 – 40 even, 51, 54, 81 Homework
- Slides: 20