- an equation between two variables that gives a straight line when plotted on a graph
- Linear equation
- a line in a plane containing the x axis and the y axis is generally represented by the letter m and is defined as the change in the y coordinate between two distinct points on the line
- Slope
- the principal or horizontal axis of a system of coordinates, points along which have a value of zero for all other coordinates
- X-axis
- the secondary or vertical axis of a system of coordinates, points along which have a value of zero for all other coordinates
- Y- axis
- on the flat coordinate plane, there are two axes ,the origin is the point where they intersect
- Origin
- When the equation is written as (y=mx+b) the slope is the number “m” that is multiplied on the x , and “b” is the y- intercept, where the line crosses over the y-axis
- Y-intercept
- - the x coordinate of a point where a line, curve, or surface intersects the x-axis
- X-intercept
- the way of writing the the equation of a line slope and y-intercept are immediately apparent
- Slope intercept form
- to be able to write the equation a line in standard form, the standard form of a line is in the form (ax+by=c) where A is a positive integer ,and B, and C, are integers
- Standard form
- the quantitative relationship between two amounts showing the number of times one value
- Ratio
- a name we give to a statement where two ratios are equal
- Proportion
- - a comparison of two different quantities when they are combined together
- Unit rate
- cost per liter, kilogram, pound, etc. Divide the cost by quantity
- Unit price
- a relationship between two variables in which one is a constant multiple of the other . I'm particular, when one variable changes the other changes in proportion to the first
- Direct proportion
- - a function is any relationship between inputs and outputs In which each input leads to exactly one output , the independent variable
- Input
- the dependant variable
- Output
- a collection of ordered pairs
- Relation
- the relationship between any set of inputs and permissible outputs
- Function
- the set of inputs which the function is defined
- Domain
- the difference between the highest and lowest values
- Range
- mathematical method of performing a calculation or solving a problem
- Rule
- a visual way to determine if a curve is a graph of a function or not
- Vertical line test
- any function that graphs to a straight line
- Linear function
- - a function that is not a linear function
- Nonlinear function
- a variable whose value depends upon an independant variables
- Dependant variable
- a variable that represents a quantity that is being manipulated in an experiment
- Independent variable
- a ratio between a change in one variable relative to a corresponding change in another
- Rate of change

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