Book Maths Puzzle Algebra

Using the quadratic formula for x in the equation 2x^2=11x-9 results in which of the following values:
Option
A. -9/2 or 1
B. 9/2 or -1
C. 9/2 or 1
D. -9/2 or -1

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Book Other Question
Quadratic_Equations/1699: Using the quadratic formula for x in the equation 2x^2 = 11x - 9 results in which of the following values:
A. -9/2 or 1
B. 9/2 or -1
C. 9/2 or 1
D. -9/2 or -1
Thanks for any help you can give me on this question!!
1 solutions



Answer 553 by smartdude17(3) on 2005-05-07 13:43:30:

When you do all the work, it comes to the answer C. 9/2 and 1. That means you got it right!!!!!!!!!!



Can someone show me how you derive the answer to this question. I need to know how to figure this out as well. (Guess I should have said that...lol) Where is the vertex of the graph of y=x^2-5. (resubmitted the first person that answered this didn't give the answer)