Mathematics, 14.08.2020 19:01 awkwardness92
1. What is the name of a number that can be written in the form a+bi where a and b are nonzero real numbers?
A. a complex number
B. a real number
C. an imaginary unit
D. a pure imaginary number
2. Which of the following statements is not true?
A. In order for a+bi to be a complex number, b must be nonzero.
B. A complex number is a number that can be written in the form a+bi where a and b are real numbers.
C. For a complex number written in the form a+bi, the value of a is called the real part of the complex number.
D. Every real number is also a complex number.
3. What is the real part of 4β5i?
4. What is the imaginary part of 7β6i?
5. Determine if the statement below is true or false. If it is false, rewrite it so it is true. Rewriting β10βββββ in terms of i results in β10i.
A. This statement is true.
B. This statement is false. Rewriting β10βββββ in terms of i results in 10i.
C. This statement is false. Rewriting β10βββββ in terms of i results in β10βββββi.
D. This statement is false. Rewriting β10βββββ in terms of i results in 10βββi.
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