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find all solutions of the equation. Check your solutions in the original equation

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(a). 7sqrt(x) -4 =0
asked Mar 5, 2014 in TRIGONOMETRY by abstain12 Apprentice

1 Answer

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The equation is 7sqrt(x) -4 =0.

Add 4 to each side.

7sqrt(x) =4

Divide each side by 7.

sqrt(x) =4/7

Square each side.

x =(4/7)^2

x =16/49.

Check:

The value of x =16/49 are substitute in .

The value of x =16/49.

answered Mar 5, 2014 by casacop Expert

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