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Write the equation from a graph.
Contributed by: Jarvie
Identify the function
(equation) for this 
graph.
f(x) = 
 f(x) = (x - 1)2
f(x) = x2 - 1
f(x) = x - 1
2x2
Identify the function
(equation) for this 
graph.
f(x) = (x + 3)2 + 2
f(x) = (x - 3)2 + 2
f(x) = (x + 2)2 + 3
f(x) = (x - 3)2 - 2
Identify the function
(equation) for this 
graph.
g(x) = x2 - 4
-(x - 4)2
 -(x + 4)2
(x - 4)2
Identify the function
(equation) for this 
graph.
y = x2
y = -x2
y = -(x - 1)2
y = -2x2
Identify the function
(equation) for this 
graph.
h(x) = (x + 4)2
h(x) = (x - 4)2
h(x) = x2 - 4
h(x) = x2 + 4
f(x) = x2 - 3
 f(x) = x2 + 4x + 1
f(x) = (x - 2)2 - 3
f(x) = x2 - 2
Identify the function
(equation) for this 
graph.
y = (x + 1)2 - 4
y = (x - 1)2 - 4
y = (x - 4)2 - 1
y = (x + 4)2 - 1
Identify the function(equation) for this graph.  
Identify the function(equation) for this graph.  Select all thatapply.
g(x) = x2 - 8x - 7
g(x) = x2 - 8x + 9
g(x) = (x - 4)2 - 7
g(x) = (x + 4)2 - 7
Identify the function(equation) for this graph. Select all that apply.
f(x) = -(x + 1)2 + 2
f(x) = -x2 + 2x + 1
f(x) = -x2 + 2
f(x) = -(x - 1)2 + 2
What is the "a" value.  

1
2
3
4
Which is the "a" value for this graph?
-1
-2
-3
-4
1
2
3
4
Which is the "a" value 
for this graph?
Which is the "a"
value for this 
graph?
1
2
3
4
Which is the "a" value
for this graph?
-1
-2
-3
-4
2
3
4
5
What is the "a" 
value for this
graph?
What is the equation 
for this graph?
g(x) = -2x2 - 1
g(x) = -x2 - 1
g(x) = -2(x - 1)2
g(x) = -(x + 1)2
What is the equation 
for this graph?
Select all that apply.
f(x) = (x - 1)2
f(x) = 2(x + 1)2
f(x) = 2x2 + 4x + 2
f(x) = x2 + 4x + 1
What is the "a" value?
What is the vertex?
Write as an ordered pair as in (x, y)
Put these in order from narrowest to widest.
f(x) = 0.5x2 
?
f(x) = -3/4 x2
?
f(x) = -3x2 + 2x + 4
?
f(x) = 2x2 + 5
?
f(x) = x2 + 3x - 1
?
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