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Mathematics 9 Online
OpenStudy (anonymous):

Help please.. 21. Any number in the form of a+bi , where a and b are real numbers and b = 0 is considered a pure imaginary number. (1 point) True or False 22.The minimum value is the smallest y-value of a function. True False 23. i^2 = sqrt -1 True False 24. Complex numbers can be graphed on the xy coordinate plane. True False

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