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Linear equations
facts about linear equations
19
Mathematics
7th Grade
02/26/2008
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Term

x= a number

 Definition

linear equations vertical lines
Term
 y= a number
 Definition

 linear equations for horizontal lines are
Term

slope

Definition

rise over run, change in y over change over x, vertical change over horizontal change
Term
positive slope
 Definition
line rises from left to right
Term
negative slope
 Definition
line falls from left to right
Term
undefined slope(no slope)
 Definition
vertical lines have--
Term
zero slope
 Definition
horizontal lines have--
Term
slope intercept form
 Definition
y=mx+b
Term
point slope form
 Definition
y-y [sub1]=m(x-x[sub1]
Term
standard form
 Definition
ax+by=c
Term

a/b

 Definition
slope is the opposite of--
Term
c/b
 Definition
y intercept is
Term
slope intercept form
 Definition
what form is y=4x-1
Term
standard form
 Definition
what form is 3x+4y=12
Term
vertical line
 Definition

a number

__________

0

 

represents the slope of what kind of line??
Term
horizontal line
 Definition

0

_________

a number

represents what kind of line?
Term

m= y2-y1

__________________

x2-x1

 Definition
formula for finding slope given two ordered pairs
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