Multiplying and Dividing by Negatives

-7(10)=

• 70

• 700

• -70

• -700

Is the product
–8 • (–3) positive or negative?

• negative

• positive

• both

• neither

-20/5=

• -4

• 4

• -100

• 100

-18 ÷ (-2)

• 9

• -9

• -20

• 10

Is the product of 8(-6) positive or negative?

• positive

• negative

(-2)(-4)(-3) Hint: Multiply -2 by -4 to get an answer for that and then take that answer and multiply it by -3.

• 24

• -24

• 8

• -21

(-2)(-4)(3) Hint: Multiply -2 by -4 to get an answer for that and then take that answer and multiply it by 3.

• 24

• -24

• 8

• -21

An even number of negatives in a problem means the answer will be:

Examples are: (-3)(-2)(4) or (-5)(-2) What do they end up being? Positive or Negative? That will be your answer because they both have an even number of negatives.

• Positive

• Negative

When dividing integers....

• follow the same rules as multiplying integers

• Follow the same rules as adding integers

• Follow the same rules as subtracting integers

• Always do the opposite

Select the expression that would have a positive answer.

• 2 (-4)(-5)

• -5 (¹/₂)

• 5.25 (3.5)(-1.75)

• 9.25 ( - ¹/₄)