Download Steps for Solving Radical Equations

Algebra IIB
Unit VII: Powers, Roots and Complex Numbers
Solving Radical Equations
 Solve radical equations
 Solve problems containing radical equations
Steps for Solving Radical Equations
1.
2.
3.
4.
Get radical alone on one side of the equation.
Raise both sides of the equation to the power of the index on the radical.
Solve for the variable.
Check the solution in the original equation.
Solve.
1.
x 3  4
5. x  x  7  5
2.
x  3
6. 2 1  x  5
3.
x 7  3
7.
4. 3  x  12
8.
x  2  4
3
3y  6  2  3
Assignment: page 319, 3-27 odds
Name: ___________________
Date: ___________________
Algebra IIB
Unit VII: Powers, Roots and Complex Numbers
Solving Radical Equations
Wrap-Up:
Solve the equations that follow.
1.
3x  4  5
2. x  2  2 x  1