Exploring Multiplication of Rational Numbers

What is the result of multiplying two positive integers?

• A negative integer

• An undefined value

• A positive integer

• Zero

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

• Zero

• An undefined value

• A negative integer

• A positive integer

What is the product of -7 and 6?

• -13

• -42

• 13

• 42

What is the result of multiplying -2, x, 5, and y?

• -10xy

• 10x

• 10xy

• -10x

What is the first step in simplifying expressions?

• Multiplication

• Addition

• Parentheses

• Subtraction

What is the result of 4 times -2x?

• -4x

• 4x

• 8x

• -8x

What is the result of combining -8x and -8x?

• -8x

• 8x

• 0

• -16x

What is the result of 6 times -2n minus 10n?

• 22n

• 12n

• -22n

• -12n

What is the result of -3 times 3d plus 2d?

• 5d

• -5d

• 15d

• -15d

What is the result of -5 times 3x minus 3 times -xy?

• 15x + 3xy

• -15x - 3xy

• 15x - 3xy

• -15x + 3xy