Algebra 2 / Trigonometry 1.3: Square Roots Page 3
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4Algebra 2 / Trigonometry
Algebra 2 / Trigonometry
Concord High
Concord High
1.3: Square Roots
1.3: Square Roots
RNBriones
RNBriones
1-3
1-3
Square Roots
Square Roots
Example 3: Rationalizing the Denominator
Check It Out! Example 3a
Simplify by rationalizing the denominator.
Simplify the expression.
Multiply by a form of 1.
Multiply by a form of 1.
Holt Algebra 2
Holt Algebra 2
1-3
1-3
Square Roots
Square Roots
Check It Out! Example 3b
Square roots that have the same radicand are
Simplify by rationalizing the denominator.
called like radical terms
like radical terms.
Multiply by a form of 1.
To add or subtract square roots, first simplify
each radical term and then combine like
radical terms by adding or subtracting their
coefficients.
Holt Algebra 2
Holt Algebra 2
1-3
1-3
Square Roots
Square Roots
Example 4: Adding and Subtracting Square Roots
Example 4: Adding and Subtracting Square Roots
Subtract.
Add.
Simplify radical terms.
Combine like radical terms.
Holt Algebra 2
Holt Algebra 2
3
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