Multiplying Rational Numbers

What is the sign of:

the product of two positive numbers?

• Positive

• Negative

• Zero

What is the sign of:

Two numbers with opposite signs?

• Positive

• Negative

• Zero

-2.14 x (5.8) =

• -12.412

• 10.45

• 12.412

• -10.45

3/7 X 3/4 =

• 9/24

• 9/28

• 6/32

• 1/28

-1/3 x 2/5 =

• -3/8

• 2/15

• -2/15

• -1/15

(-4.2)(-5)

• 21

• -21

• -9.2

• -1.2

(2.5)(-1.2)

• -3.7

• 3.7

• 3

• -3

2/3 x (-6)

• 4

• -4

• 4/3

• -4/3

(-3.9) x (-2.8)

• 1.092

• -1.092

• -10.92

• 10.92

Find the product.

-⅔ x 12

• 4

• -6

• -8

• -24