Quadratic Equations

Quadratic Equations where x represents a variable or an unknown, and a, b, and c are constants with a not equal to 0. (If a = 0, the equation is a linear equation.) The...

The Six Trigonometric Functions

The two basic trigonometric functions are: sine (which we have already studied), and cosine. By taking ratios and reciprocals of these functions, we obtain four other functionscalled tangent, secant, cosecant, and cotangent. These are the core...

Special Triangle

SPECIAL TRIANGLES a2 + b2 = c2 12 + 12 = [sqrt (2)]2 a2 + b2 = c2 12 + [sqrt (3)]2 = ...

Logarithm

A logarithm is an exponent; Loga x is the exponent to which the base a must be raised to obtain x. The abbreviation log is used for the word logarithm. Read Loga x as logarithm of x to the base a or the base a logarithm...

Linear Equation

Solving Linear Equations Linear Equation: -A mathematical expression that has an equal sign and linear expressions Variables -A number that you don`t know, often represented by `x` or `y` but any letter will do! Variable(s) in linear expressions -Cannot...

Inequalities

Basic Rules Symbol Words Example > greater than x + 3 > 2 < less than 7x < 28 ≥ greater than or equal to 5 ≥ x - 1 ≤ less than or equal to 2y + 1 ≤ 7 Here...