Answer:
the third one
Step-by-step explanation:
because if we calcul Δ
we get a negative number
Lets say that you have 4-2=? you can use a bar model....
{the stars are the bars}
you have 4 total and now you need to subtract 2
****
{ i just took away 2 and then you count the bars but in this model count the stars}
**
Hope this helps!!!
Answer:
Step-by-step explanation:
-31 + 0i
Imaginary part = 0
