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In question and answer logic answers are given and if they fall in an area bounded by the inequality then it is a good answer. After graphing three or more inequalities the vertexes are the possible maxima of the system of equations.
Yes you can buy a graphing calculator. I know they are sold at places like Walmart, and Target and most of them are around $100 but go on sale before school starts for around $90. TI-83 and TI-84 graphing calculators are really good.
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There are a number of good online resources for using a graphing calculator. These include Bright Storm, Math Bits, Dummies and GrafCalcWhiz amongst others.
There are many uses for graphing. One use is to determine if a child is on target for his/her weight and height. It is also a good visual when trying to figure out if a value of stock is going up or down.
I am not at all convinced that it is. With more than three variables it is almost impossible and even with 3 variables, it is hard going.
In question and answer logic answers are given and if they fall in an area bounded by the inequality then it is a good answer. After graphing three or more inequalities the vertexes are the possible maxima of the system of equations.
Linear programming is just graphing a bunch of linear inequalities. Remember that when you graph inequalities, you need to shade the "good" region - pick a point that is not on the line, put it in the inequality, and the it the point makes the inequality true (like 0
1) Replace the inequality signs in the solution and in the original question with = signs. Substitute the solution inn the question: it should make it true. 2) (Back to the inequalities) Pick another number that satisfies the solution inequality - e.g. if x>2, pick 5. Substitute this into the original inequality: if it makes it true, then you are good to go!
Texas Instruments TI-84 Plus Graphing Calculator is a reasonably priced, good graphing calculator.
Graphing is not necessarily easier than elimination or substitution. If you are good at drawing graphs, and do not like algebra, then graphing is easier. However, elimination and substitution are much faster, and graphing can often get awkward when working with more complicated formulae.
Yes you can buy a graphing calculator. I know they are sold at places like Walmart, and Target and most of them are around $100 but go on sale before school starts for around $90. TI-83 and TI-84 graphing calculators are really good.
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The Casio FX-9750GPlus Graphing Calculator is good.
The Texas Instruments TEXTI84PLUSSE Graphing Calculator is good for calculus too.
It gives a good visual represtation. like in pre-calculus graphing is important because it helps to determine the domian and range of sin, cosine, and tangent waves and helps with points. but overall its easier to see and understand
There are many uses for graphing. One use is to determine if a child is on target for his/her weight and height. It is also a good visual when trying to figure out if a value of stock is going up or down.