Solving Radical Equations
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how your problem should be set up.
divide each side by four.
square both sides to isolate variable.
divide each dies by four
answer.
plug four into original equation
square root of 16 is four.
four times four
16=16 therefore the correct answer is x=4.
how problem should be set up.
divide both sides by five.
square both sides
divide each side by five.
answer.
plug in five to your original equation.
square root of 25 is 5
five times five
25=25 therefore, the correct answer is x=5.
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