SOLUTION: 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 o
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Question 1711: 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)
Answer by smartdude17(30) (Show Source): You can put this solution on YOUR website!
Sure, I'll show you. It's the same person who answered it last time.
2x^2=11x-9 Given
2x^2-11x+9=0 Invert,lety=0
QF
Sub
S
S
And after you do the adding and subtracting, it will leave you with this:
9/2 and 1
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