For you guys taking high school or precalculus classes we have a lot to offer. We
know how challenging the transition from high school to college can be. There's no need
to struggle with incomplete study material.
One of the things students always complain
is that they don't have enough solved problems to study with. With us, that's not a problem
anymore!
Submit by email your problems to us for a free quote.
Having a well explained list of solved problems can improve your learning 100 percent. Regrettably, current textbooks come mostly with the solutions to the sample problems,
but they don't show detailed solutions.
Make sure to visit our store. There you'll find study guides for sale with hundreds of
solved problems on precalculus, trigonometry, algebra, etc.
Pre Calculus Help
This is a list of subjects you may be interested on
 Algebra
 Systems of Equations.
 Word problems.
 Factorization.
 Polynomials
 Quadratic Equations
 Geometry
 Triangles.
 Areas and Volumes.
 Circles.
 Lines
 Planes
 Trigonometry
 Circles.
 Sine, Cosine, Tangent, Cotangent, Secant, Cosecant.
 Pythagoras Theorem.
 De Moivre's Formula.
 etc....
We know how it feels to deal with those hard problems. With our help, you'll get that extra edge
you need! No need to sweat with poorly explained problems from the books.
We can provide solutions that suit your own needs. See some examples:
Problem 1. Solve the following system of equations:
Solution. We have to find
and
in
such a way that (1) and (2) are satisfied simultaneously. The method
consists on eliminating one of the variables using both
equation, multiplying them by the right constants. More precisely,
if we multiply the first equation by 2 we obtain
and now we sum both equations (3) and (4) to get
, which
means that
. Now that we have
, we can find
simply
replacing any of the equations (1) or (2). We choose (1), so we get
, which implies that
, and then
. Summarizing
is the solution.
Problem 2. Rationalize the denominator
Solution. We have the factor
in the
denominator, so we multiply both the numerator and denominator by
the conjugate
, to obtain:
This way, we have found an equivalent expression with no radicals at
the denominator, i.e.
but this last expression is rationalized.
Check more examples here.
You can submit your problems for a free quote :
 By email: You send us an
email with your questions.
Could be any type of file, doc, pdf, xls, or a scanned image
of the problems.
 It's free to get a quote, and there's no obligation after that. It costs you nothing to find
out how much would it be to solve a list of problems.
