7 If b 0 then a + bi is an imaginary number A complex number written in standard form is a number a + bi where a and b are real numbers.The number a is the real part of the complex number, the number bi is the imaginary part.If b 0 then a + bi is an imaginary numberIf a= 0 and b ≠ 0 then a + bi is a pure imaginary number.
8 Every complex number corresponds to a point in the complex plane. Keep in mind:a is the real part (x –coordinate)bi is the imag. part (y-coordinate)
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