Provide an appropriate response.What is the difference between real numbers and complex numbers?
What will be an ideal response?
A complex number is any that can be written a + bi, where a and b are real numbers. Real numbers are complex numbers a + bi, where b = 0. In the real number system, negative numbers do not have square roots. In the complex number system, they do.
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Find the first four terms of the indicated expansion.(x + 2)20
A. x20 + 40x19 + 760x18 + 9120x17 + ... B. x20 + 380x19 + 760x18 + 9120x17 + ... C. x20 + 40x19 + 760x18 + 4560x17 + ... D. x20 + 760x19 + 760x18 + 18,240x17 + ...
Write down the meaning of the given equation.y = cot-1 8x
A. y is the angle whose cotangent is x. B. y is the angle whose tangent is 8x. C. x is the angle whose cotangent is 8y. D. y is the angle whose cotangent is 8x.
Find the x- and y-intercepts of the graph of the given equation, if they exist. Then graph the equation.y = -6 - 8x
A. x: 
; y: -6
B. x: - 
; y: -6
C. x: -6; y: 
D. x: -6; y: - 
Fill in the blank with the appropriate symbol, ? or ? .0 ________ {2, 4, 6, ...}
A. ? B. ?