Write a second degree polynomial with real coefficients and the given root; -2i
2 answers:
Answer: x^2+4
Work Shown:
x = -2i
x^2 = (-2i)^2
x^2 = 4i^2
x^2 = 4(-1)
x^2 = -4
x^2+4 = 0
Side note: Since -2i is one root, this means 2i is the other conjugate root.
You might be interested in
Answer in screen shot below
Answer:
3 times larger
Step-by-step explanation:
10 to 30
is a 300% increase
Answer:
The anwser to your question would be negative 23 (-23)
Answer:
it is -1
Step-by-step explanation:
2= 410x+14⇒4x+8=10x+14 ⇒6x=−6 ⇒x=−1
The volume of a cube is just the side length cubed...
V=s^3 in this case:
V=39^3=59319 ft^3
and in cubic yards it is:
59319 ft^3*(yd^3/27 ft^3)=2197 yd^3