Question about Office Equipment & Supplies
I will give you a solution for a ti-83 Plus or ti-84 Plus calculator as they are very similar.
You should hit the [stat] or [stats] button as I forget which it is. Then hit [enter] which will bring you to a stats list editor of some kind. You will want to enter the data for your x-axis in L1 and the data for your y-axis in L2. Once you have completed your lists, hit the [stat] button again and then click [right] or the right arrow in order to move to the section of calc. from number 4 down it will help create a graph of that type of function. You desire a cubic function so it is number 6, so you hit [enter] on number 6 and then you will be at the home screen with CubicReg already written. You just have to complete the statement and it will do it for you. hit the [2nd]  and then the comma button, then [2nd]  and [enter]. that will do it for you. Also if you want the equation to appear in your y= menu, you can hit [2nd] [stat] and then search for the Y1, but make sure you have a comma between the L2 and the Y1.
Posted on Mar 28, 2011
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Posted on Jan 02, 2017
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A mathematical statement used to evaluate a value. An equation can use any combination of mathematical operations, including addition, subtraction, division, or multiplication. An equation can be already established due to the properties of numbers (2 + 2 = 4), or can be filled solely with variables which can be replaced with numerical values to get a resulting value. For example, the equation to calculate return on sales is: Net income ÷ Sales revenue = Return on Sales. When the values for net income and sales revenue are plugged into the equation, you are able to calculate the value of return on sales.
There are many types of mathematical equations.
1. Linear Equations y= mx + b (standard form of linear equation)
2. Quadratic Equations y= ax^2+bx+c
3. Exponential Equations y= ab^x
4. Cubic Equations y=ax^3+ bx^2+cx+d
5. Quartic Equations y= ax^4+ bx^3+ cx^2+ dx+ e
6. Equation of a circle (x-h)^2+(y-k)^2= r^2
7. Constant equation y= 9 (basically y has to equal a number for it to be a constant equation).
8. Proportional equations y=kx; y= k/x, etc.
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