A complex number has a real and an imaginary part
is a complex number
A complex number is represented as:
Where:
<em /><em> real</em>
<em /><em> imaginary</em>
<em />
By comparing the options to ;
and are not complex numbers
This is so because they do not have imaginary parts
However,
is a complex number
Because; 9i is imaginary
Read more about complex numbers at:
brainly.com/question/19007885
How should you write the proportion 9:36 = 10:40 using words?
A. 9 is to 36 as 40 is to 10
B. 9 is to 10 as 36 is to 40
C. 36 is to 9 as 10 is to 40
D. 9 is to 36 as 10 is to 40
28. 142... a repeating decimal <span />
Answer:
see the corrected graph below
Step-by-step explanation:
For starters, the solid and open dots need to swap places. The "or equal to" is not present for the middle segment, only the end segments.
Then the function for x ≥ 1 needs to be properly graphed. it is only defined on the interval 1 ≤ x < 3, so should will extend beyond x=3.