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pre algebra--wilson
1-1,1-2,1-3,1-4
| Question | Answer |
|---|---|
| Numerical expression | contains numbers and operations. ( multiplication, subtraction, division, addition) |
| Evaluate | find the value of.... |
| orders of operations | Rules to follow when evaluating an expression with more than 1 operation |
| Algebra | Branch of mathematics that uses symbols (variables) |
| Variable | A letter or symbol used to represent an unknown value |
| algebraic expression | Contains numbers, operations and variables |
| defining a variable | Choose a variable and a quantity for the variable to represent |
| properties | Statements that are true for any numbers |
| simplify | Perform all possible operations |
| coordinate system, coordinate plane | Intersection of 2 number lines at right angles meeting at their zero points |
| y - axis | Vertical number line on coordinate system |
| x- axis | Horizontal number line on coordinate system |
| origin | point where number signs intersect |
| ordered pair | Numbers used to locate points on a coordinate plane |
| x coordinate | first number of ordered pair |
| y coordinate | second number of ordered pair. |
| graph | To draw a dot at the point that corresponds to ordered pair |
| relation | set of ordered pairs |
| domain | set of x coordinates in a realtion |
| range | set of y coordinates in a relation |
| function | Special relation in which each x-coordinate (domain) is paired with exactly one y-coordinate (range) |
| function rule | Operation performed on domain (x) to get the range (y) |
| function table | A table that lists the x coordinates, the function rule and the y coordinates |
| equation | Math sentence stating 2 quantities are equal |
| scatter plot | Relationship between a set of data with two variables, graphed as ordered pairs on a coordinate plane |