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Terms in this set (21)
rate of change
shows the relationship between two changing quantities.
the ratio of the vertical change to the horizontil change
a linear function defined by an eqution of the form y=kx , where k = o
an equation whose graph forms a straight line
y - intercept
the y-coordinate of a point where a graph crosses the y-axis
the slope-intercept form of a linear equation is y = mx + b, where m is the slope of the line and b is the y-intercept
a linear equation of a nonvertical line written as y - y = m(x-x). the line passes through the point (x-x) with slope m.
the x-coordinate of a point where a graph crosses the x-axis
stanard form of a linear equation
the standard form of a linear equation is ax + by = c , where a,b, and c are real numbers and a and b are not both zero
two lines in the same plane that never intersect. parallel lines have the same slope.
a number of the form ba ,where ab is a nonzero rational number. the product of a number and its opposite reciprocals is -1
a graph that relates two different sets of data by displaying them as ordered pairs
the relationship between two sets of data in which both sets of data increses together
the relationship between two sets of data , in wich one set of data decreses as the other set of data increases.
there does not appear to be a relationship between two sets of data
a line on a scatter plot drawn near the points. it shows a correlation.
the process of estimating a value between two known quantities
the process of predicting a value outside the range of known values
line of best fits
the most accurate trend line on a scatter plot showing the relationship between two sets of data
absolute value function
a function with a v-shape graph that opens up or down. the parent function for the family of absolute value function is y = /x/.
lines that intersect to form right angles. two lines are perpendicular if the product of their slopes is -1
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