HA2T Vocab

ordered pair

(x,y); location of a point on a graph

relation

set of ordered pairs

quadrants

the four planes on the coordinate plane (I, II, III, IV)

domain

set of x coordinates

range

set of y coordinates

function

one y for every x

has no operations other than +, -, x of a variable of a constant, varibles may not be multiplied together, variables may not be in the denominater, contains varaibles w/ exponets (only be to 1), graph is always a line

What are the charactersitics of a linear equation?

yes

Is this a linear equation: 5x-3y=7

no

Is this a linear equation: 7a+4b²=-8

yes

Is this a linear equation: y=1/2x

no

Is this a linear equation: x+xy=1

greatest common factor is 1, A has to be greater than or equal to zero, A and B can not both be zero, no fractions

What are the rules for standard form?