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Solving by Square Roots

Solving by Square Roots

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Problem Set #1


x squared equals 100

open parentheses x minus 5 close parentheses squared equals 16

open parentheses x plus 2 close parentheses squared equals 40

open parentheses x plus 7 close parentheses squared equals 98

open parentheses 3 x minus 1 close parentheses squared equals 80

When to use each method

How to tell when to do what.

Deciding when to factor and when to use square roots