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Alg1 9.4 C4U
供稿人: DiLaura
somewhere in between =
9.4
Order the quadratic functions from 
narrowest to widest.
most narrow =
most widest =
4x2 - 3x +5
?
⅛x2 + 2x -4
?
-2x2 + 3x + 5
?
somewhere in between =
9.4
Order the quadratic functions from 
narrowest to widest.
most narrow =
most widest =
-3x
?
-x2 
?
2x2
?
somewhere in between =
9.4
Order the quadratic functions from 
narrowest to widest.
most narrow =
most widest =
5x2+ 5
?
-¾x2+ 10 
?
½x2 - 4
?
somewhere in between =
9.4
Order the quadratic functions from 
narrowest to widest.
most narrow =
most widest =
4x2
?
-2x2
?
3x2
?
9.4
Compare the graph of the function below with               the graph of f(x) = x2  Tell how the graph changes.
f(x) = x2 + 2
shifts up 2 units
shifts down2 units
shifts left 2 units
shifts right 2 units
9.4
Compare the graph of the function below with               the graph of f(x) = x2  Tell how the graph changes.
narrower & shifts up 3 units
narrower & shifts down 3 units
wider & shifts down 3 units
wider & shifts left 3 units
f(x) = ⅓x2 - 3
9.4
Compare the graph of the function below with               the graph of f(x) = x2  Tell how the graph changes.
opens down, wider & shifts right 1 unit
opens down, narrower & shifts up 1 unit
opens up, narrower & shifts up 1 unit
opens down, wider, shifts right 1 unit
f(x) = -2x2 + 1
9.4
Compare the graph of the function below with               the graph of f(x) = x2  Tell how the graph changes.
opens down & narrower 
opens down & shifted ¼ unit down
opens down & shifted ¼ left
opens down & wider
f(x) = -¼x2
9.4
Compare the graph of the function below with               the graph of f(x) = x2  Tell how the graph changes.
f(x) = x2 - 5
shifts up 5 units
shifts down 5 units
shifts left 5 units
shifts right 5 units
9.4
Compare the graph of the function below with               the graph of f(x) = x2  Tell how the graph changes.
f(x) = -x2 
shifts down 1 unit
shifts left 1 unit
wider 
opens down
9.4
Compare the graph of the function below with               the graph of f(x) = x2  Tell how the graph changes.
narrower & shifts up 4 units
wider & shifts up 4 units
narrower & shifts right 4 units
wider & shifts right 4 units
f(x) = ⅔x2 + 4
9.4
Compare the graph of the function below with               the graph of f(x) = x2  Tell how the graph changes.
narrower & shifts down 2 units
narrower & shifts up 2 units
narrower & shifts left 2 units
narrower & shifts right 2 units
f(x) = 4x2 - 2
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