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41 votes
41 votes
Select the correct answer. What is one root of this equation? 2x^2-4x+9

User Xeph
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2 Answers

20 votes
20 votes

Answer:the answer is option E (see pic)

Explanation:

One root would be: x =(4-√88)/-4=1+1/2√ 22 = 1.345

User Vimal
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2.8k points
16 votes
16 votes

Answer:

1±i sqrt(7/2)

Explanation:

For this equation you would need to use quadratic formula: x=(-b+-square root b^2-4ac)/2a

User Ymoreau
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3.5k points