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Math - Square Root

by nely
(miami fl)

Square Root Symbol

Square Root Symbol











































solve the following quadratic equation for x

which term is missing?

how does the missing term make it easy to solve for x by taking the square root?

x^2 -4=0 square root

Comments for Math - Square Root

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Feb 16, 2011
Math - Square Root
by: Staff


The question:

by Nely
(Miami, FL)

x^2 – 4 = 0 square root


The answer:

x^2 – 4 = 0

Add 4 to each side of the equation.

x^2 – 4 + 4 = 0 + 4

x^2 + 0 = 4

x^2 = 4

Take the square root of each side of the equation.

sqrt(x^2) = sqrt(4)

x = ± 2

The final answer is: x = ± 2

(There are two solutions: x = +2 and x = -2)


Thanks for writing.


Staff
www.solving-math-problems.com



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