Question about Texas Instruments TI-83 Plus Calculator

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How can i graph -x+4y=8y?

Just trying to figure out how to use my calc

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You can't graph something not in the form y=___. You need to make it in terms of y: make it y=-0.25x. If you still need help from there, please respond.

Posted on Apr 18, 2013

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Find the x- and y-intercepts and graph the equation plotting the intercepts. Please show all of your work. Submit your graph to the Dropbox.5x-4y=-10


Use the definitions of the intercepts.
x-intercepts (or zeros or roots) are the values of the independent variables that make the function equal to zero. To obtain an intercept set y=0 in equation : 5x=-10, mean x=-10/5=-2
y-intercept: value of y when x=0.
Just set x=0 in equaltion and solve for y
-4y=-10, gives y=5/2

And Sorry, I cannot enter the answer in the drop box.

May 10, 2012 | SoftMath Algebrator - Algebra Homework...

1 Answer

How do I graph y=18.4cos(2pi/365)(x-196) 5.8? It doesn't show up in the graph on my ti 83 calc


hiArguments are in an invalid order, try multiplying the 5.8 with the other two terms (2pi/365)(x-196) that way yo might be able to graph it.

Mrmojorisin1

Aug 24, 2011 | Texas Instruments Computers & Internet

2 Answers

How to use texas instruments ti-84 plus to plot inequality 4x+8y<40?


First step is to find inequality in the form y<f(x), in this case y<5-0.5x. Then graphing it. See captured image


3_3_2012_6_59_43_pm.jpg

Feb 18, 2011 | Texas Instruments TI-84 Plus Silver...

1 Answer

My calc doesn't graph. Once I click graph it says ERR: Invalid Dim, and my only option is Quit. What do I do??


You're probably trying to graph a function that does not involve stat plot features. You can correct this by turning off the stat plot features. Press "2ND" "STAT PLOT" and then select 4:PlotsOff.

If this isn't the problem, try posting the function(s) you're trying to graph, as well as the window settings.

Feb 07, 2010 | Texas Instruments TI-84 Plus Silver...

1 Answer

Graphing parabola


Parabolas are forms of X^2. Go to [Y=], then put in the formula of the parabola that you want.

May 07, 2009 | Texas Instruments TI-83 Plus Calculator

1 Answer

4x+8y=20 -4x+2y=-30


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

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

2 Answers

How do I enter and graph the equation: 6 - 3/8y = x 2/3x + 1/4y = 4 Thanks!!


At first you have to slving this equations in explicit form y=f(x) and the graphing it. See captured images



3_3_2012_5_25_37_pm.jpg

3_3_2012_5_25_56_pm.jpg

Jan 23, 2009 | Texas Instruments TI-83 Plus Calculator

1 Answer

My graph looks bigger than normal


try reseting ur calc. press 2nd->plus button->7->1->2 and then type the problem again

Jan 15, 2009 | Texas Instruments TI-83 Plus Calculator

1 Answer

How to use the texas instruments ti 83 plus


Srry my friend the ti 83 is no magnificent Ti-89. meaning: you have to solve it yourself. There is a method for graphing though. Set the equation equal to zero and then plug the stuff on the other side of the equation into a graph by pressing y= and then typing it in. Then hit graph. Wait for the graph and then hit 2nd calc and select zeros. Bring your cursor using hte arrow keys close to where the line hits the x axis and press enter and then do the same except to the right of that point and then press enter twice and it will display the y which should be the answer
There are quadratic formulas for calculators programmed in tibasic for the calc but other than that there is no way to solve it

Apr 27, 2008 | Texas Instruments TI-83 Plus Calculator

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