Which of the following quadratic equations has equal roots? – McqOptions

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1.	Which of the following quadratic equations has equal roots?
A.	x2Â -ÂÂ 14xÂ -ÂÂ 49Â =Â 0
B.	x2Â +Â 7xÂ +Â 49Â =Â 0
C.	x2Â -ÂÂ 7xÂ -ÂÂ 49Â =Â 0
D.	x2Â +Â 14xÂ +Â 49Â =Â 0
Answer» E.

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