Question about Bagatrix Precalculus Solved Full Version for PC (185861000243)

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Solve the equation:

X=-3+28/x

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X^2=-3x+28 x^2+3x - 28 = 0 D=9+112=121>0 x1=(-3+11)/2 = 4 x2=(-3-11)/2 = -7

Posted on Jun 03, 2010

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Solve the following equation for a. a^2 + b^2 c^2


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How to solve equations with two variables by usin CASIO fx901 calculater? eg- 6x+9y=2700 5x+4y=1560


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Sep 02, 2012 | Office Equipment & Supplies

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How to do equations the papers that come with it doesn't explain it very well. Is there someplace where I can get a better explaination?


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IN the EQN mode you can solve linear equations in one, two and three unknowns; the quadratic equation; and the cubic equation.
Enter the EQN mode by following the instructions on the following screen capture. Press 5:EQN
6_25_2011_1_06_32_pm.jpg
You have three types of equations.
6_25_2011_1_08_15_pm.jpg
Once you select the type of equations, a template is displayed where you enter the relevant coefficients.

6_25_2011_1_10_10_pm.jpg
Under each label (a, b, etc. ) enter a coefficient and press ENTER to move to the next. With a cubic equation, or a linear equation in 3 unknowns, you have to use the Right arrow to display the cells where you enter the value of d.
After you input all necessary coefficients press the = sign to get the solution.

To use the SOLVE feature, see the screen capture that follows. It comes from the Casio manual.



6_25_2011_1_17_45_pm.jpg

6_25_2011_1_19_53_pm.jpg
Good luck

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3 Answers

Solving systems of equations by elimination


Hi joanmae jmeh;

You can add these equations just like you would numbers

3x + 2y = 7
5x - 2y = 1
-----------------------
8x =8
x=1
Now plug x = 1 back into either equation and you can solve for y
Y = 2

When you add the 2 equations together the +2y and the -2y cancel
out

Hope this helps Loringh Please leave a rating for me Thks

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Hello,
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b4c488c.jpg Hope it helps.

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Type it like this: solve( equation1 and equation2 and moreEquations, {list of variables to solve for})

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Just plug in one side of the equation and find the answer. Then plug in the other side and compare answers.

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