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equations of lines
Ford's Forms of Lines
20
Mathematics
Not Applicable
09/01/2005
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Term
What is the purpose for using point-slope form?
 Definition
To write the equation of a line, given the point and slope or given the point and calculating the slope
Term
What is the purpose for putting an equation in slope-intercept form?
 Definition
To Graph
Term
What is the y-intercept of 3x-9y=36?
 Definition
36/3 = 12
Term
What is the slope of y=3x+7?
 Definition
3
Term
Give the slope of Ax+By=C
 Definition
-A/B
Term
Give the y-intercept of y=3x+7
 Definition
7
Term
What is the x-intercept of y=3x+7?
 Definition
-7/3
Term
What is the slope of a line in slope-intercept form?
 Definition
m
Term
What is the x-intercept of y=mx+b?
 Definition
-b/m
Term
The graph of a linear equation is __?
 Definition
a line
Term
What form is y=mx+b?
 Definition
Slope Intercept Form
Term
What form is y-y1=m(x-x1)
 Definition
Point Slope Form
Term
Slope containing
 Definition
[image]
Term
Standard Form
 Definition
Ax+By=C
Term
What is the purpose for putting a linear equation into standard form?
 Definition
To graph
(using x and y intercepts)
Term
Give the x-intercept of 2x-4y=12
 Definition
12/2 = 6
Term
What is the slope of a line written in standard form?
 Definition
-A/B
Term
What 2 things are necessary to use the point-slope form?
 Definition
m (the slope)
(x1,y1) a point
Term
What is the y intercept of an equation written in slope/intercept form?
 Definition
b
Term
What is the x intercept of a line written in standard form?
 Definition
C/A
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