Question about Texas Instruments TI-82 Calculator

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M=3 , b=-1

Posted on Oct 17, 2008

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You should first put it in the form y=mx+b

m-slope

b-y-intercept

x + 2y=4

-x -x 1subtract x from both sides

2y=4-x

/2 /2 2 divide both sides by 2 (to get y alone)

y=2- x/2 now you can put that into your calc. (Y= button)it would like like this on your screen Y1=2-X/2 (X is found under mode)

next hit graph

2nd, TABLE will give you a list of x-values and y-values

hoped i didn't leave anything out and i hope this helped

Posted on Jan 17, 2008

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Posted on Jan 02, 2017

Just solve for 1 variable.

x+2y=4

2y=4-x

y=(4-x)/2

Now you can graph this and find all the values for x and y that give you the solution.

x+2y=4

2y=4-x

y=(4-x)/2

Now you can graph this and find all the values for x and y that give you the solution.

Jun 09, 2011 | Texas Instruments TI-89 Calculator

If you mean this to be a logic statement, it will always be false (0). You might be getting an error because you need parentheses around the whole thing.

If you mean the 2y=2 to be 2y 2 then y=2

If you mean the 2y=2 to be 2y-2 then y=4

You should give more info on your problem next time.

If you mean the 2y=2 to be 2y 2 then y=2

If you mean the 2y=2 to be 2y-2 then y=4

You should give more info on your problem next time.

Apr 30, 2011 | Texas Instruments TI-83 Plus Calculator

If those are the partial derivatives, then the stationary point should be (0,0). Because if you set the partial derivatives to zero and solve for x and y then the only solutions are x=0 and y=0.

Feb 10, 2011 | Texas Instruments TI-89 Calculator

One way is to use the Polynomial Root Finder and Simultaneous Equation Solver app.

Press the APPS key, then select PlySmlt2 and press ENTER. Press ENTER to get past the opening screen, then select "POLY ROOT FINDER" and press ENTER. Select the order of the polynomial and other settings as desired. Press F5 (the GRAPH key) to go to the next screen. Enter the polynomial coefficients, then press F5 to solve. The next screen will show you the roots (unless you selected real roots and the polynomial doesn't have any real roots).

If you don't have the app installed, you can download it from

http://education.ti.com/educationportal/sites/US/productDetail/us_poly_83_84.html

Press the APPS key, then select PlySmlt2 and press ENTER. Press ENTER to get past the opening screen, then select "POLY ROOT FINDER" and press ENTER. Select the order of the polynomial and other settings as desired. Press F5 (the GRAPH key) to go to the next screen. Enter the polynomial coefficients, then press F5 to solve. The next screen will show you the roots (unless you selected real roots and the polynomial doesn't have any real roots).

If you don't have the app installed, you can download it from

http://education.ti.com/educationportal/sites/US/productDetail/us_poly_83_84.html

Jan 20, 2011 | Texas Instruments TI-83 Plus Calculator

to do that you replace x with y
ex: f(x)=2x+3 f(x) is your y so f(x)=y
you now have y=2x+3 switch x and y
x=2y+3 now solve for y
x-3=2y
(x-3)/2=y
y is now equal to the derivative of a function also shown as f^-1
(x-3)/2=f^-1(x)
all ^ mean to that power

Jan 14, 2011 | Texas Instruments TI-81 Calculator

2x + 4y = -8 ; divide each side by 2

x + 2y = -4 ; subtract x from both sides

2y = -4 - x ; rearrange

2y = -1x -4 ; divide each side by 2

y = -1/2x - 2 ; relate to slope/intercept form of line (y=mx+b)

implies there are multiple solutions that fall along a line with slope -1/2 and y intercept of -2

'

\ '

++++++++++

\ '

\ '

Sample points on this line are (-4,0), (-2,-1), (0,-2), (2,-3)

x + 2y = -4 ; subtract x from both sides

2y = -4 - x ; rearrange

2y = -1x -4 ; divide each side by 2

y = -1/2x - 2 ; relate to slope/intercept form of line (y=mx+b)

implies there are multiple solutions that fall along a line with slope -1/2 and y intercept of -2

'

\ '

++++++++++

\ '

\ '

Sample points on this line are (-4,0), (-2,-1), (0,-2), (2,-3)

Nov 04, 2010 | Mathsoft StudyWorks! Mathematics Deluxe...

The easiest solution would be to move the variable to only one side. This is not that difficult. For example your given equation is 8(3x-5)-4=4x-10; subtracting both sides of this equation by 4x would give 8(3x-5)-4-4x=10.

Jun 28, 2010 | Texas Instruments TI-82 Calculator

You can get the manuals here http://www.retrevo.com/support/TI-TI-82-Calculators-manual/id/421ci253/t/2/

Oct 09, 2009 | Texas Instruments TI-82 Calculator

4x+8y=20 || /4

x+2y=5

x=5-2y

-4x+2y=-30 || /2

-2x+y=-15

-2(5-2y)+y=-15

-10+4y+y=-15

5y=-5

y=-1

x=5-2y || y=-1

x=5-2(-1)

x=5+2

x=7

x+2y=5

x=5-2y

-4x+2y=-30 || /2

-2x+y=-15

-2(5-2y)+y=-15

-10+4y+y=-15

5y=-5

y=-1

x=5-2y || y=-1

x=5-2(-1)

x=5+2

x=7

Mar 10, 2009 | Bagatrix Algebra Solved! 2005 (105101) for...

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

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

Dec 01, 2008 | Bagatrix Algebra Solved! 2005 (105101) for...

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