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Online Math Solver

 Depdendent Variable

 Number of equations to solve: 23456789
 Equ. #1:
 Equ. #2:

 Equ. #3:

 Equ. #4:

 Equ. #5:

 Equ. #6:

 Equ. #7:

 Equ. #8:

 Equ. #9:

 Solve for:

 Dependent Variable

 Number of inequalities to solve: 23456789
 Ineq. #1:
 Ineq. #2:

 Ineq. #3:

 Ineq. #4:

 Ineq. #5:

 Ineq. #6:

 Ineq. #7:

 Ineq. #8:

 Ineq. #9:

 Solve for:

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# OTHER TYPES OF EQUATIONS

Objectives:

 Guidelines for Solving Radical Equations • Isolate the radical on one side of the equation. • Raise both sides of the equation the appropriate power to eliminate the radical . • Solve the resulting equation • Check solutions

Note: It is very important to check your solutions after solving a radical equation
because raising both sides of an equation to a power sometimes does not produce
an equivalent equation .

Examples:

check:

Therefore, the solution set is {4}

Check:

The solution set is {18}

An equation o quadratic form is one that can be written as by making
an appropriate substitution .

Examples:

then the equation becomes

because we have

let , then the equation becomes

because , we have

let , then the equation becomes

Check:

therefore 4 is a solution , now because , we have

let ,then the equation becomes

Because ,we have

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