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Mr.Payne
Alg.2 vocab Mr.Payne
| Term | Meaning |
|---|---|
| order of operations | Step 1 Evaluate expressions inside grouping symbols Step 2 Evaluate all powers Step 3 Do all multiplications and/or divisions from left to right Step 4 Do all additions and subtractions from left to right |
| algebraic expression | An expression that contains at least one variable |
| Distributive Property | x(a+b)=xa + xb |
| equation | A mathematical sentence stating that two mathematical expressions are equal |
| absolute value | A number's distance from zero on the number line, represented by |x| |
| linear equation | An equation that has no operations other than addition, subtraction, and multiplication of a variable by a constant |
| linear function | A function whose ordered pairs satisfy a linear equation |
| slope | The ratio of the change in y-coordinates to the change in x-coordinates |
| slope-intercept form | The equation of a line in the form y=mx+b, where m is the slope and b is the y-intercept |
| point-slope form | An equation in the form y-y1=m(x-x1)where(x1,y1) are the coordinates of a point on the line and m is the slope of the line |
| system of equations | A set of equations with the same variables |
| substitution method | A method of solving a system of equations in which one equation is solved for one variable in terms of the other |
| elimination method | Eliminate one of the variables in a system of equations by adding or subtractihng the equations |
| linear programming | The process of finding the maximum or minimum values of a function for a region defined by inequalities |
| ordered triple | 1. The coordinates of a point in space 2. The solution of a system of equations in thre variables x,y, and z |