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14 terms

Algebra Chapter 5 Vocab

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x-intercept
the x-coordinate of the point where a graph intersects the x-axis
linear function
a function whose graph forms a straight line
linear equation
an equation that can be written in the form Ax+By=C, where A, B, and C are all real numbers, and A and B are not both zero
slope
a measure of steepness of a line
y-intercept
the y-coordinate of the point where a graph intersects the y-axis
constant of variation
the constant k in a direct variation equation
direct variation
a relationship between two variables, x and y, that can be written in the form y=kx, where k is a non zero constant
perpendicular lines
lines that intersect at 90 degree angles
parallel lines
lines in the same plane that do no intersect
rotation
a turn
reflection
a flip
family of functions
a set of functions whose graphs have basic characteristics in common
parent function
the most basic function of a family of functions, or the original function before a transformation is applied
translation
a slide