Multiplying and Dividing Rational Numbers

What is the result of multiplying a negative fraction by a positive fraction?

• Negative fraction

• Positive fraction

• Zero

• Cannot be determined

What is the result of multiplying two negative fractions?

• A positive fraction

• Zero

• Cannot be determined

• A negative fraction

When multiplying fractions, what should you do before performing the multiplication?

• Convert them to decimals

• Add the numerators

• Change the sign of the fractions

• Simplify if possible

How do you divide mixed numbers?

• By converting them to improper fractions

• By multiplying them directly

• By adding their numerators

• By subtracting one from the other

What is the result of dividing a negative mixed number by a positive fraction?

• Cannot be determined

• Zero

• A negative mixed number

• A positive mixed number

When dividing by a fraction, what operation do you perform with the divisor?

• Subtract its reciprocal

• Add its reciprocal

• Divide by its reciprocal

• Multiply by its reciprocal

What property allows you to change the order of factors when multiplying?

• Distributive property

• Identity property

• Commutative property

• Associative property

What simplification technique is used when multiplying three rational numbers?

• Applying the distributive property

• Converting to mixed numbers

• Using the commutative property to rearrange

• Converting to decimals

How do you handle the decimal points when multiplying decimals?

• Divide them as fractions

• Multiply them as whole numbers

• Add them at the beginning

• Ignore them until the end

What is the first step in multiplying decimals?

• Adding the decimals

• Converting them to fractions

• Ignoring the decimal points initially

• Aligning the decimal points