Writing Linear Equations Worksheet With Answer Key

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2-4 Writing Linear Equations
 
Write an equation in slope-intercept form for
3. passes through (3, 5); m = –2
the line described.
SOLUTION:  
 
Substitute m = –2 and (x, y) = (3, 5) in the equation y
1. slope 1.5, passes through (0, 5)
= mx + b.
SOLUTION:  
 
Substitute m = 1.5 and (x, y) = (0, 5) in the equation y
= mx + b.
 
 
Substitute m = –2 and b = 11 in the equation
 
 
Substitute m = 1.5 and b = 5 in the equation
y = mx + b.
 
 
y = mx + b.
y = –2x + 11
 
4. passes through (–8, –2);
2. passes through (–2, 3) and (0, 1)               
SOLUTION:  
SOLUTION:  
Substitute m =
 and (x, y) = (–8, –2) in the
Substitute
 and 
 in 
equation y = mx + b.
the slope formula
.
 
 
 
 
 and b = 18 in the equation
Substitute m =
Substitute m = –1 and
 in the point 
 
slope form
.
y = mx + b.
 
 
 
5.  MULTIPLE CHOICE Which is an equation of the
 
line?
3. passes through (3, 5); m = –2
 
SOLUTION:  
Substitute m = –2 and (x, y) = (3, 5) in the equation y
= mx + b.
 
 
 
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Substitute m = –2 and b = 11 in the equation
 
 

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