Answer:
x = ± 2i
Step-by-step explanation:
note that
= i
x² = - 12 ( take square root of both sides )
x = ±
= ±
= ± 2i
Answer:
y = -1
Step-by-step explanation:
y - ( - 9) = 8
y + 9 = 8
y = 8 - 9
y = -1
- ( - turns to + because you are subtracting a negative number
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-Chetan K
Answer:
quadrant 1
Step-by-step explanation:
quadrant 1 is (-,+)
Each term differs by -68 and the first term is -68, we have:

As an expession it's just -68n.
Answer:
complementary angles
Step-by-step explanation:
it's a 90 degree angle added together (notice the square in the corner?) hope this helps!