Answer:
2i and -2i
Step-by-step explanation:
I'll change u to x to be easier to understand.
x^2 = -4
sqrt(x^2) = sqrt(-4)
sqrt(-4) = 2i, or -2i
Answer:
y = 28, 16 , 4 , -8 , -20
Hope this helps.
Answer:
C. The triangles are not similar.
Step-by-step explanation:
Divide the short sides and long sides to see if they are similar:
24/16 = 1.5
36/28 = 1.29
The triangles are not similar.
Answer:
The expanded form of 6,398 is 6000 + 300 + 90 + 8
Answer:

Step-by-step explanation:
is an angle in the third quadrant
To find the reference angle subtract π from it
reference angle =
- π = 