Archive for April, 2012

Word Problems

Solving Word Problems To solve math word problems, it is always best to use the following Five Step Plan. Five Step Plan a) Write the question. b) List what do you know. Tell what x =’s. c) Write an equation. d) Solve for x. e) Write the answer to part a. Examples: 1.  A number multiplied…

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Choosing a Calculator

Below are four calculators that you could use to help you with your math homework.  Check out the reviews and find a product that suits your needs.    Tweet

The Graph of an Equation

The Graph of an Equation The graph of an equation in two variables can be displayed on a coordinate plane.  All ordered pairs (a,b) that are solutions of the equation are points on the graph.  The graph of the equation is a set of all points that are solutions of the equation. To sketch a…

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Symmetry

Symmetry The graph of an equation may be symmetrical over the x-axis, the y-axis and/or the origin.  Knowing if a graph is symmetrical helps make it easier to sketch the graph of an equation.  To test for x-axis symmetry, you need to replace y with –y.  If the new equation is identical to the original…

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Intercepts

Finding the intercepts of an equation Finding the intercepts of an equation makes it easier to sketch the graph of the equation.  The graph of some functions can have one intercept, more than one intercept or no intercepts.  On the Cartesian Coordinate Plane, there are two types of intercepts.    The point where the graph crosses…

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