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03/14/2011

Math 11: Graphing Inequalities Word Problem - Maximize the earnings problem with two part-time jobs. Solution is here: http://www.texttutoring.com/graphing-inequality-constraints-find-maximum-earnings-part-time-jobs/

Question: Anna is a college student with two part-time jobs, one at a hardware store and the other at a fitness centre. Solution: Let x = hours worked at hardware store...

02/07/2011

Math 11: Quadratic Functions - Max/Min Problem with Revenue of Calculators. Check the solution here: http://www.texttutoring.com/maxmin-problem-maximizing-revenue-selling-calculators/

Calculators are sold to students for 20 dollars each. 300 students are willing to buy them at that price. For every $5 increase in price, there are 30 fewer students

02/07/2011

Math 11 students - having trouble with Max/Min word problems? Try this one out, then check our solution.

Q: A farmer wants to put a fence around a vegetable garden. Only three sides must be fenced, since a rock wall will form the fourth side. If he uses 40m of fencing what is the maximum area possible?

Answer: http://www.texttutoring.com/farmer-maximize-area-of-garden/

A farmer wants to put a fence around a vegetable garden. Only three sides must be fenced, since a rock wall will form the fourth side. If he uses 40m of fencing what is the maximum area possible?

09/27/2010

Math 10 students - stuck on Exponent Laws? Check out our guide and then send us any exponent questions you might have: http://www.texttutoring.com/category/math/math-10/exponents-math-10/

A: A number raised to a negative exponent produces the reciprocal of that number. Recall that a reciprocal is just 1 divided by the number. It is very useful to memorize these identities:

09/16/2010

What are Systems of Equations? Where do two lines intersect? Find out how to solve these types of problems with the Substitution Method, Elimination Method, and more. Check out our guide for Math 11 students: http://www.texttutoring.com/category/math/math-11/systems-of-equations/

Systems of Equations deals with more than one equation. At first, you will usually be seeing two equations. If you are asked to solve the system, you are being asked to find the point(s) of intersection between the two graphs.

09/11/2010

Radians, Degrees, Sine, Cosine... Trigonometry makes your head spin! Check out our guide for Math 12 students: http://www.texttutoring.com/category/math/math-12/

A: A radian is the angle measured between radii of a circle which are subtended by an arc which has the same length as the radii.

09/04/2010

Math 10, new Study Guides. Factoring, Distance Formula, Midpoint Formula and more. Check it out at TextTutoring.com

09/04/2010

Math, Physics and Calculus. Free online and text tutoring. Check out our Study Guides, Exam Tips, and constantly updated Q&A database.