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How do i find slope and then graph it - Texas Instruments TI-84 Plus Calculator

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Select two points P1 and P2 on the line. Read their coordinates P1(X_1, Y_1), and P2(X_2, Y_2). If the points are given to you that is even better: you will not have to approximate their coordinates.
The slope of the straight line that passes through P1 and P2 is the ratio s=(Y_2-Y_1)/(X_2-X_1).
A slope is a number and cannot be graphed. The line that has the slope can be graphed if you have its complete equation y=slope*x + initial value.
To graph a curve on the TI84 open the Y= editor, type in the second member (right side) of the function say on line Y1= then press the Graph function key.

Posted on Feb 10, 2013

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Posted on Jan 02, 2017

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1 Answer

D(t)=-2t+18


To graph this equation, we see that it is in the slope/intercept form of y=mx + b, where m is the slope and b is the y-intercept.

d(t)= -2t+18

Start with the y-intercept of 18 (0,18)

From this point, we can start graphing the line by using the slope of -2. Since the slope is negative, it goes up to the left. So we go one to the left, and up two.

Good luck.

Paul

Nov 30, 2016 | Office Equipment & Supplies

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How to solve and graph the equation 4x+y+0


The easiest way to solve and graph and equation is to put the equation into the slope intercept form y = mx + b, where m is the slope and b in the y-intercept.

To do this, we subtract 4x from both sides and get y = -4x + 0.

From this we know m = -4 (slope) and the y-intercept is 0.

I always start with the y-intercept and put a point there. Thus, we have a point at (0,0). Using this as a starting point, we now use the slope of -4 to get future points. Since it is negative, we go one unit to the left and up four units. So we have the point (-1,4). Using a ruler, we connect these points and continue on both sides to produce the line.

There is also a great free online program/app called Desmos that you can use to check your work. Type in the equation of the line and it will graph it for you.

Good luck,

Paul

Oct 27, 2016 | Office Equipment & Supplies

1 Answer

How do I graph 4x+y=0


The easiest way to solve and graph and equation is to put the equation into the slope intercept form y = mx + b, where m is the slope and b in the y-intercept.

To do this, we subtract 4x from both sides and get y = -4x + 0.

From this we know m = -4 (slope) and the y-intercept is 0.

I always start with the y-intercept and put a point there. Thus, we have a point at (0,0). Using this as a starting point, we now use the slope of -4 to get future points. Since it is negative, we go one unit to the left and up four units. So we have the point (-1,4). Using a ruler, we connect these points and continue on both sides to produce the line.

There is also a great free online program/app called Desmos that you can use to check your work. Type in the equation of the line and it will graph it for you.

Good luck,

Paul

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How do I graph -3,-3 with a slope of 0


To graph (-3, -3) we start at the origin (0,0) and go 3 squares to the left and then 3 squares down.

Slope is defined in many ways, including rise/run, delta y/ delta x, etc.

Since 0 divided by anything is 0, the rise must be zero, so the slope of 0 is a horizontal line.

Put the point and the slope together, we have a horizontal line going through (-3,-3).

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You have to provide the graph. Depending on the graph, the slope of the secant line can be just about anything.

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How do you grsph a slope?


You do not graph a slope as the slope is just one number that characterises a linear function. Rather you need to draw the linear function.
Press the Y= key to enter the function editor. On line Y1= type in a legitimate function such as y1= 3x-2 and press ENTER. Press the GRAPH key to view the graph.

Sep 24, 2011 | Texas Instruments TI-83 Plus Calculator

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Why is the y-intercept of the graph of 4x+2y=12?


use the slope-intercept form to graph y=2/3x+4

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1 Answer

I am trying to enter a slope formula in the "y=" window, my lists are all cleared but everytime it goes to the graph it tells me "err invalid dim"


I d not understand what you mean by enter a slope formula, but I am going to assume you want to draw the graph of a function y= f(x) and you are having a problem.
  1. Press the STAT button and
  2. Select 4:PlotsOff
  3. Press ENTER
  4. Calculator displays DONE
  5. Now you can do your graphs.

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1 Answer

X-y = 2


Hello,
y=x+2. If you graph it you find a straight line that has a positive slope and itersects the y axis at y=2.
To graph it
[Diamond][Y=] on line Y1= enter X+2 [ENTER]. Then [Diamond][GRAPH] . Here is what you see.

e228c7d.jpg
Hope it helps

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