Algebra Practice Questions A system of a linear equations have two or more equations and two variables. In a system of linear equations, each equation is a straight line and the solution will be the point where the two lines …
Linear equations with variable x is an equation with the following form: ax = b where a and b are some real numbers. If a = 0 and b is different from 0, then the equation has no solution. Let’s …
In geometry, two figures or objects are congruent if they have the same shape and size, or if one has the same shape and size as the mirror image of the other. This means that either object can be re-positioned and …
In algebra, a quadratic equation is any equation having the form where x represents an unknown, and a, b, and c represent known numbers such that a is not equal to 0. If a = 0, then the equation is …
College Entrance, ACCUPLACER, CHSPE Some Advanced Algebra Tutorials About.com Advanced Algebra Algebra Tricks 1. Find x+y, if: 5x+8y=67 and 2x-y=31 a. 98 b. 46 c. 21 d. 14 e. 7 2. Peter’s salary is twice Ann’s salary and half of David’s salary. …