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Now it is time to look at solving some more hard inequalities. In this section we will be solving (single) inequalities which involve polynomials of degree at least two. Or, to put it into other terms, the polynomials won't be linear any more. Just as we saw while solving equations the procedure that we have for solving linear inequalities won't work here.
As it's easier to see the procedure as we work an example let's do that. As along with the linear inequalities, we are looking for all of the values of the variable which will make the inequality true. It means that our solution will approximately certainly involve inequalities as well. The procedure that we're going to go through will give the answers in that form.
Example Simplify following logarithms. log 4 ( x 3 y 5 ) Solution Here the instructions may be a little misleading. While we say simplify we actually mean to say tha
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Thirty percent of the students in a mathematics class received an “A.” If 18 students received an “A,” which of the following represents the number of students in the class?
Paula weighs 110 pounds, and Donna weighs p pounds. Paula weighs more than Donna. Which expression shows the difference in their weights?
using the formula for the difference between two squares,factor the following : 5-x
It is probably the easiest function which we'll ever graph and still it is one of the functions which tend to cause problems for students. The most general form for the constant
What two numbers multiplied equal 216 but added together equal -42?
Now, let's solve out some double inequalities. The procedure here is alike in some ways to solving single inequalities and still very different in other ways. As there are two ineq
3+n=11
In 2000,the average price for a gallon of gasoline in Mexico was $2.02. Write a ratio equivalent to $2.02:1 to find out how many gallons of gasoline could have been purchased for $
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