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Chapter 2
vocabulary words
32
Mathematics
11th Grade
10/16/2013
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Term
2.1
Domain
 Definition
sets of inputs, also called x-coordinates.
Term
2.1
range
 Definition
Set of outputs, also called y- coordinates.
Term
2.1
Function
 Definition
relation, which element of the domain corresponds with exactly one element.
Term
2.2
Direct VAriation
 Definition
y=kx
Term
2.2
Constant Variation
 Definition
y/x=k
Term
2.3
Slope
 Definition
non vertical line.
Term
2.3 y-intercept
 Definition
Non vertical line, which crosses at the y-axis
Term
2.3
x-intercept
 Definition
non vertical line, which crosses at the x-axis
Term
2.4
Point slope form
 Definition
y-y1=m(x-x1)
Term
2.4
Parallel lines
 Definition
Two lines in the same plane that never intersect.
Term
2.4
perpendicular line
 Definition
Lines that intersect to form right angles.
Term
2.5
Scatter plot
 Definition
Graph that relates two sets of data by plotting data as ordered pairs.
Term
2.5
Correlation
 Definition
Strength of the relationship between data sheets.
Term
2.5
line if best fit
 Definition
Line that gives the most accurate model of related data.
Term
2.6
Transformation
 Definition
parent function.
Term
2.6
Translation
 Definition
Shifts the graph of the parent function horizontally, vertically.
Term
2.6
Reflection
 Definition
Flips the graph of a function across a line.
Term
2.7
Vertex
 Definition
Single maximum point or minimum point.
Term
2.7
axis of symmetry
 Definition
Two variables is v- shaped and symmetric about a vertical line.
Term
2.7
Absolute value function
 Definition
f(x)=[x]
Term
2.1
relation
 Definition
Pairs of input and outputs values
Term
2.1
Vertical- line test
 Definition
Passes through more than one point
Term
2.1
Function rule
 Definition
Equation that represents on output value in terms of an input value
Term
2.1
Function notation
 Definition
function rule
Term
2.1
Independent variable
 Definition
represents the output of the function
Term
2.1
Dependent value
 Definition
represents the output of the function.
Term
2.3
Linear equation
 Definition
any ordered pair
Term
2.3
Slope - intercept form
 Definition
equation line y=Mx+b
Term
2.4
Standard form of a linear equation
 Definition
Ax+By
Term
2.5
Correlation coefficient
 Definition
strength of the correlation
Term
2.6
Vertical strech
 Definition
Multiplies all the y-values of a function by same function greater than 1
Term
2.6
Vertical compression
 Definition
reduces all the y-value of a function by the same factor between 0 and 1
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