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Math Help Quadratic Equations


Solving Quadratic Equations

So far, we have only done an example when the value before the x2 isequal to 1. It works exactly the same way though whatever the value is.

eg.
3x2 - 8x + 4 = 0
(The two numbers are -6 and -2)
3x2-6x-2x+4=0
3x(x-2)-2(x-2)=0
(3x-2)(x-2)=0

3x-2=0
3x=2
x=2/3

x-2=0
x=2

Therefore the two solutions here are 2/3 and 2

Yale schools have made huge strides - Port Huron Times Herald


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Port Huron Times Herald, MI - Jun 15, 2008
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Bleacher Report

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Bleacher Report, CA - Jul 1, 2008
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Monterey County Herald, CA - Jun 7, 2008
The quadratic and algebraic equations in Mia Cairus' math textbook were dizzying to compute without a handheld calculator or electronic device. ...


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Long Beach Press-Telegram, CA - Jun 12, 2008
Morvan's introduction to the guitar was easier than solving a quadratic equation. Raised in the Southwestern and Western suburbs outside of Chicago, ...


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School's out, and that's a shame
Houston Chronicle, United States - Jun 17, 2008
One hundred percent — I repeat, 100 percent — of KIPP Academy eighth graders passed the Texas Assessment of Knowledge and Skills for math, reading and ...


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Great Falls Tribune, MT - Jun 30, 2008
Talk to me about quadratic equations, and I run the other direction. However, in my reporting days I've boosted my skills by calculating and analyzing Excel ...


Math whiz eases onto the fast track - Baltimore Sun


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Baltimore Sun, United States - Jun 8, 2008
"Do you know what the quadratic equation is?" Benjamin asked. She stared back blankly. "Don't worry about it. You'll learn about it later," he said. ...


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The following math derivation I extended from the original dispersive discovery equation explained in my TOD post "Finding Needles in a Haystack" (read this ...


Derbyshire: June Diary - National Review Online Blogs


Derbyshire: June Diary
National Review Online Blogs, NY - Jul 1, 2008
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