3-4

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3-4 Dividing Rational Numbers

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3-4. Dividing Rational Numbers. Multiplicative Inverses/Reciprocals. Two numbers whose product is 1 are called multiplicative inverses or reciprocals . Find Multiplicative Inverses. Find Multiplicative Inverses. Find Multiplicative Inverses. Find the multiplicative inverse of each number. - PowerPoint PPT Presentation

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3-4Dividing Rational Numbers

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Multiplicative Inverses/Reciprocals

• Two numbers whose product is 1 are called multiplicative inverses or reciprocals.

Key Concept: Inverse Property of Multiplication

Words The product of a number and its multiplicative inverse is 1.

Symbols For every number ,where a, b ≠ 0, there is exactly one

number such that

Example

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Find Multiplicative Inverses

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Find Multiplicative Inverses

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Find Multiplicative Inverses• Find the multiplicative inverse of each number

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Dividing FractionsKey Concept: Dividing Fractions

Words To divide by a fraction, multiply by its multiplicative inverse OR [Keep, Change, Flip]

Symbols

Example

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Divide by a Fraction or Whole Number

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Divide by a Fraction or Whole Number

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Divide by a Fraction or Whole Number• Find each quotient. Write in simplest form.

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Divide by a Mixed Number1.

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Divide by a Mixed Number• Find each quotient. Write in simplest form.

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EXIT SLIP

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Divide Algebraic Expressions

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Divide Algebraic Expressions• Find each quotient. Write in simplest form.

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Distribute: 3(x + 4) = 3(x – 4) = -3(x – 4) = -3(x + 4) =

Distribute: 3(x + 4) = 3(x – 4) = -3(x – 4) = -3(x + 4) =

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