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Alg I LAP 8
Math
Question | Answer |
---|---|
By = C | standard equation of a horizontal line |
Ax = C | standard equation of a vertical line |
Ax + By = C | standard form of a linear equation |
y = mx + b | slope-intercept form of a linear equation |
methods to graph lines | t-chart, intercepts, slope-intercept |
abscissa | x coordinate of an ordered pair |
ordinate | y coordinate of an ordered pair |
ordered pairs | (x,y), (2,3) |
quadrants | four regions into which the coordinate axes separate the plane |
domain | x values of a relation |
range | y values of a relation |
horizontal axis | x axis |
vertical axis | y axis |
relation | any set of ordered pairs |
function | a relation in which every x value is paired with one and only one y value |
x intercept | point at which the line crosses the x axis |
y intercepts | point at which the line crosses the y axis |
(0,0) | origin |
positive slope | moves up from left to right |
negative slope | moves down from left to right |