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

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Cards

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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