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Why is graphing a system of inequalities a good way to show the solution set?
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.
How do you graph x is greater than negative four?
We assume you are graphing on a number line, not an x-y plane. Draw an "open" circle (not filled in) at -4, and a line from it across to the right end of the number line. Put an arrow on the end of the line to show that the graph continues to the right.
How do you know when an equation has infinitely many solutions How do you know when an equation has no solution?
You know that an equation has no solution when...Ex. 2>5 is falseTo show its false, put and O with a / through it----------To find it false, in terms of graphing, it is when you have parallel lines (Not crossing at any point if, in a perfect world, the lines went on forever).So for an exampley=2-3x6x+2y=7 (y=-3x+7/2 in Y=mx+b form)With this equation the lines do not pass through each other, and once more in a perfect world, if they kept going on the lines would never cross.
Is angle angle angle a way to show that triangles are similar?
Yes, AAA is a way to show that triangles are similar. Note, however, that AAA is not a way to show that triangles are congruent.
How can graphs of polynomial functions show trends in data?
The way you can use graphs of polynomial functions to show trends in data is by comparing results between different functions. The alternation between the data will show the trends. Time can also be used to show the amount of variation.
