Divide Rational Numbers. Objective The student will be able to:

Dividing Rules 1) If the numbers have the same signs then the quotient is positive. -32 ÷ (-8 )= 4 2) If the numbers have different signs then the quotient is negative. 81 ÷ (-9) = -9

When dividing two negative numbers, the quotient is positive. 1.True 2.False Answer Now

When dividing a negative number and a positive number, use the sign of the larger number. 1.True 2.False Answer Now

The reciprocal of is where a and b  0. The reciprocal of a number is called its multiplicative inverse. A number multiplied by its reciprocal/multiplicative inverse is ALWAYS equal to 1.

Example #1The reciprocal of is Example #2 The reciprocal of -3 is

Basically, you are flipping the fraction! We will use the multiplicative inverses for dividing fractions.

Which statement is false about reciprocals? 1.Reciprocals are also called additive inverses 2.A number and its reciprocal have same signs 3.If you flip a number, you get the reciprocal 4.The product of a number and its reciprocal is 1 Answer Now

When dividing fractions, change division to multiplying by the reciprocal. Examples 1)

2)

What is the quotient of -21 ÷ -3? Answer Now