Method of elimination, Now let's move into the next technique for solving s...

Now let's move into the next technique for solving systems of equations.  As we illustrated in the example the method of substitution will frequently force us to deal with fraction

Vertical angles,

Elimination and Substitution, 5x - y = 1 -15x +4y = 6

5x - y = 1 -15x +4y = 6

Inequalities, Nicole has just finished writing a research paper. She has ...

Nicole has just finished writing a research paper. She has hired a typist who will type it. The typist charges $3.50 per page if no charts or graphs are used and $8.00 per pag

Partial fractions, This section doesn't actually have many to do with the r...

This section doesn't actually have many to do with the rest of this chapter, but since the subject required to be covered and it was a fairly short chapter it appeared like as good

Rational functions, In this last section we have to discuss graphing ration...

In this last section we have to discuss graphing rational functions.  It's is possibly best to begin along a rather simple one that we can do with no all that much knowledge on how

Substitution, How do you do out a substitution problem and then graph it?

How do you do out a substitution problem and then graph it?

Algebra, To find the calorie density (D) in calories per ounce of food that...

To find the calorie density (D) in calories per ounce of food that contains c carories and weight w ounces is given by D=C/w

Solving quadratic equations, In the earlier two sections we've talked quite...

In the earlier two sections we've talked quite a bit regarding solving quadratic equations.  A logical question to ask at this point is which method has to we employ to solve a giv

Which quantity is bigger?, Sam is twice as old as John was two years ago. I...

Sam is twice as old as John was two years ago. If the difference between their ages be 2 years, how old is Sam today?