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standard form of a linear equation

Ax+By=C

slope intercept form of a linear equation

y=mx+b

point slope form of a linear equation

y-y₁=m(x-x₁)

direct variation equation

y=ax

any set of ordered pairs

Relation

set of ordered pairs for which each input value has exactly one output value

function

set of input values

Domain

set of output values

Range

slope of a horizontal line

0

slope of a vertical line

undefined

parent function for the family of all absolute value functions

y = | x |

parent function of linear functions

y=x

two perpendicular lines have _____ slopes

opposite reciprocal

two parallel lines have ___ slopes

same

slope of a line

rise over run

rectangular array of numbers arranged in rows and columns

matrix

graph of a quadratic function

parabola

y=a(x-h)²+k

vertex form

y=a(x-p)(x-q)

intercept form

y=ax²+bx+c

standard form

the maximum or minimum value of a quadratic function

y-coordinate of the vertex

x-value that makes the function equal to zero

zeroes

in the expression √43, 43 is the...

radicand

√-1

i

i²

-1

b²-4ac

discriminant