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Algebra Chapter 4 Test
Terms in this set (21)
The y-coordinate of a loan where a graph crosses the y-axis.
A plane formed by two real number lines that intersect at a right angle
One of four parts into which the axes divide a coordinate plane.
A way to name a function that is defined by an equation. For an equation in x and y, the symbol f(x) replaces y and is read as "the value of f at x" or simply "f of x"
The set of all points (x,y) that are solutions to the equation.
Graph of an equation
The point in the plane that corresponds to an ordered pair (x,y).
Graph of an ordered pair
A long, thin mark that has no curves and extends in both directions without end.
A pair of numbers used to identify a point in a plane.
(0,0) where the horizontal axis meets the vertical axis.
Two different lines in the same plane that do not interests and never will.
A number that, when substituted for the variable in an equation , results in a true statement.
Solution of an equation
Any set of ordered pairs(x,y)
A graph of pairs of numbers that represent real-life situations. It is a way to analyze the relationship between two quantities.
The number of units a nonvertical line rises or falls for each unit of horizontal change from left to right.
The horizontal axis on a coordinate plane.
The first number in an ordered pair.
The x-coordinate of a point where a graph crosses the x-axis
The vertical axis in coordinate plane.
The second number in an ordered pair.
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