Her is the definition of an imaginary number An imaginary number is a complex number that can be written as a real number multiplied by the imaginary unit i, which is defined by its property i2 = −1. The square of an imaginary number bi is −b2. For example, 5i is an imaginary number, and its square is −25. Zero is considered to be both real and imaginary.
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Answer:
7 for all of them but the last one is 29
Step-by-step explanation:
i did it
For the question mark, we can insert a variable considering it is an unknown number.
Answer:
The answer is option 1.
Step-by-step explanation:
Firstly, you have to elaborate the expression :


Next you have to take out the common factors and factorize it :



Quadratic equations CAN be used to solve word problems so the answer to your question is false