14 terms

lsowatskyTEACHER

point-slope form

y-y₁=m(x-x₁)

converse

If q, then p (if conclusion, then hypothesis)

perpendicular

Two lines that intersect to form right angles

scatter plot

A graph with points plotted to show a possible relationship between two sets of data.

positive correlation

if y tends to increase as x increases

negative correlation

as one variable increases, the other decreases

relatively no correlation

If x and y have no apparent relationship

line of fit

a line that describes the trend of the data in a scatter plot

causation

A cause and effect relationship in which one variable controls the changes in another variable.

best-fitting line

the line that lies as close as possible to all the data points in a scatter plot

linear regression

an algorithm to find a precise line of fit for a set of data

interpolation

estimating a value within the range of measured data

extrapolation

the act of estimation by projecting known information

zero of a function

For the function f, any number x such that f(x) = 0