Algebra 2 - Where does the imaginary unit i come from, y = x^2 + 4

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Mathematics
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11th Grade - University
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Hard
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5 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
What transformation occurs to the graph of the function when the constant 4 is added?
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
Explain the process of solving the equation 0 = X^2 + 4 using the square root method.
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3.
OPEN ENDED QUESTION
3 mins • 1 pt
What is the significance of the imaginary unit 'i' in relation to square roots of negative numbers?
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4.
OPEN ENDED QUESTION
3 mins • 1 pt
How do you separate the expression ± sqrt(4) * sqrt(-1) to find the final answer?
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5.
OPEN ENDED QUESTION
3 mins • 1 pt
What is the final answer when solving for X in the equation involving the square root of a negative number?
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