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Squares and Square Roots Objective: Students will be able to successfully multiply and simplify expressions using squares and square roots. Warm-Up Evaluate:

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Squares and Square Roots Definitions What two “things” create real numbers? o Rational numbers o Irrational numbers Rational Number: o Positive and Negative Whole Numbers o Fractions (and decimals) that terminate o Fractions (and decimals) that repeat Irrational Number: o A number that has a decimal that doesn’t end and has no pattern. o π and e What is a perfect square? – A rational number that is created by multiplying two of the exact same number – Will always be positive!! What is a square root? – Stating the number that creates the value underneath the root – Square roots can only be taken of positive numbers! What is an imaginary number???? o A number that can’t be calculated or approximated o i – what’s that?

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Squares and Square Roots Calculate the following:

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Squares and Square Roots Homework: – Finish worksheet

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The set of real numbers consists of the set of rational numbers and the set of irrational numbers. Irrational numbersRational numbers Real Numbers Integers.

The set of real numbers consists of the set of rational numbers and the set of irrational numbers. Irrational numbersRational numbers Real Numbers Integers.

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