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Earn +20 ptsQ: Why do you need a test point when graphing an inequality?
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What are 3 steps to graphing inequalities?
1.First change it to an equality. 2.Next, graph the line from step 1 3. Pick a test point and see if it is true or not.
Explain how to test whether the correct area has been shaded in the graph of an inequality?
Pick a sample point in the shaded area and plug it into the equation and see if it makes it true.
How to scketch graphs of functions?
the domain value is the x coordinate, and the range is the y coordinate. after graphing, do the vertical-line-test to see if it is a function or not.
What is the advantage that the method od substitution has over the graphing method of solving system of equations?
Substitution is a way to solve without graphing, and sometimes there are equations that are impossible or very difficult to graph that are easier to just substitute. Mostly though, it is a way to solve if you have no calculator or cannot use one (for a test or worksheet).
How many point taken off for each question on a 22 question test?
It depends on the test.
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