EXAMPLE 1 Find multiplicative inverses of numbers a. The multiplicative inverse of 1 5 – is – 5 because b. The multiplicative inverse of 6 7 – is 7 6 –

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Presentation transcript:

EXAMPLE 1 Find multiplicative inverses of numbers a. The multiplicative inverse of 1 5 – is – 5 because b. The multiplicative inverse of 6 7 – is 7 6 – because 1 5 – (– 5) = 1.= – 7 6 – = 1.= 1.

Find the quotient. EXAMPLE 2 Divide real numbers = –4 = 12 a. –16 4 = 1 4 –16 –20 b.b. 5 3 – = – 3 5

GUIDED PRACTICE for Examples 1 and 2 Find the multiplicative inverse of the number. 1. – – 2. – – 3. – – 4. – 1 3 – 3

GUIDED PRACTICE for Examples 1 and 2 = = –1= –16. – – 64 (– 4) Find the quotient – 2 9 = – – = –= –

Simplify an expression EXAMPLE 4 Simplify the expression 36x 24 6 –. 6 – Rewrite fraction as division. Division rule Distributive property 6x – 4 = Simplify. = 36x 24–6 ( ) = – 1 6 ) ( = 36x 1 6 –

GUIDED PRACTICE for Examples 3 and 4 Simplify the expression 2x – 8 –4 11. – x = –6y = –2y + 6 –10z – 20 –5 13. = 2z + 4