20012452 20012452

11-03-2022
Mathematics

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Findthe y -intercept oftheparabolay = x2 + 5x + 9.

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11-03-2022

Answer:

x = 5 ± i√11 / 2

Step-by-step explanation:

At the y-intercept the value of y is equal to 0.

=> 0 = x² + 5x + 9

=> x = -5 ± √25 - 4(9) / 2

=> x = 5 ± √-11 / 2

=> x = 5 ± i√11 / 2

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