whizkid30 whizkid30
  • 14-07-2022
  • Mathematics
contestada

True or False? If ab<0, then a<0, b>0 or a>0, b<0

Respuesta :

pineapplehi
pineapplehi pineapplehi
  • 14-07-2022

Answer:

True

Step-by-step explanation:

If ab < 0, then ab = negative #.

In order for ab to be a negative #, one of them has to be negative while the other one needs to be positive.

Example:

a = -2, b = 1

ab < 0

(-2)(1) < 0

-2 < 0, TRUE

a < 0

-2 < 0, TRUE

b > 0

1 > 0, TRUE

If I switch a = -2 to 1 and b = 1 to -2, a > 0 and b < 0 is true too.

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