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Vocabulary: Algebra 1 - Chapter 2
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Terms in this set (18)
Graph
Representation of a numerical information spatially. Numbers may come from a table, situation (pattern), or rule (equation or inequality).
Zero Slope
A horizontal line on a graph.
Growth
Analyzing a mathematical relationship to examine how the output value grows as the input value increases. Linear relationship by looking at the slope of the graph.
Linear Equation
An equation in two variables whose graph is a line.
Piecewise Graph
A graph that has a different equation for different intervals along the x-axis.
"Change in" or "Delta", Y
Vertical part of the "triangle".
Slope
A ratio that describes how steep (or flat) a line is. Can be positive, negative, or zero.
Figure 0
Figure that comes before Figure 1 in a tile pattern. With a graph, this is the y-intercept of the graph is the number of tiles.
Function
A relationship in which for each input value there is one and only one output value.
"Change in" or "Delta", X
Horizontal part of the "triangle".
X-Intercept
The point(s) where a graph intersects the x-axis.
y = mx + b
Two quantities x and y have a linear relationship, that relationship can be represented in a equation.
Parameter
General equations where x and y represent the inputs and outputs of a function, other variables are often replaced with specific values.
Coefficient
A number multiplying a variable or product of variables.
Variable
A symbol used to represent one or more numbers.
Slope Triangle
A right triangle drawn on a graph of a line so that the "slope" of the triangle is part of the line.
Y-Intercept
The point(s) where a graph intersects the y-axis.
Unit Rate
A rate with a denominator of one when simplified.
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