PLEASE HELP >>> Given the following equations in vertex form, determine the number of real roots. (4 marks)

(a.) y = –2(x – 3)^2– 4

(b.) y = 5(x + 9)^2 – 6

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PLEASE HELP >>> Given the following equations in vertex form, determine the number of real roots. (4 marks)(a.) y = –2(x – 3)^2– 4 (b.) y = 5(x + 9)^2 – 6

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PLEASE HELP >>> Given the following equations in vertex form, determine the number of real roots. (4 marks)

(a.) y = –2(x – 3)^2– 4

(b.) y = 5(x + 9)^2 – 6