Mathematics
Mathematics, 27.07.2020 02:01, ralewis2931

I have two questions, please try to answer both of them! 1- What is the equation of the quadratic graph with a focus of (5, βˆ’1) and a directrix of y = 1?
Answer choices:
A. f(x) = βˆ’ 1/4 (x βˆ’ 5)2 + 1
B. f(x) = 1/4 (x βˆ’ 5)2 + 1
C. f(x) = βˆ’ 1/4 (x βˆ’ 5)2
D. f(x) = 1/4 (x βˆ’ 5)2

2- Which of the following is a solution of x2 + 2x + 4?
Answer choices:
A. βˆ’2 + 2i√3
B. 2 + 2i√3
C. 1 βˆ’ i√3
D. βˆ’1 + i√3

answer
Answers: 3

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