Transformations of Polynomial Functions

Transformations of Polynomial Functions

by Deepa Daniel

Multiple Choice

What are the following transformations from the original function f(x)?

f(x+2)

• horizontal shift 2 units to the right

• reflection over the x axis

• reflection over the y axis

• horizontal shift 2 units to the left

Multiple Choice

. 
If the blue is f(x)=x^2, then the red must be

• g(x)=x²-5
• g(x)=x²+5
• g(x)=(x-5)²
• g(x)=(x+5)²

Multiple Choice

Which equation describes the transformation of shifting f(x)=x³ three units left?

• x³ + 3
• x³ - 3
• (x + 3)³
• (x - 3)³

Multiple Choice

Which equation describes the transformation of shifting f(x)=x² two units right?

• x² + 2
• x² - 2
• (x + 2)²
• (x - 2)²

Multiple Choice

. 
If the blue is f(x)=x^2, the red must be

• g(x)=(x+3)²
• g(x)=(x-3)²
• g(x)=x²+3
• g(x)=x²-2

Multiple Choice

  The blue function is the original function f(x) = x³.  Which of the following is the correct equation for the red function, g(x)?

• g(x)=x³+1
• g(x)=x³-1
• g(x)=(x-1)³
• g(x)=(x+1)³

Open Ended

Multiple Choice

Multiple Choice

Describe the transformations of the graph y = (x - 3)³ -2

• Right 3, Down 2
• Left 3, Up 2
• Right 3, Up 2
• Left 3, Down 2 

Open Ended

Multiple Choice

Multiple Choice

Identify the transformations. 

• horizontal shift to the left 2 and vertical stretch by a factor of 3
• horizontal shift to the right 2 and vertical stretch by a factor of 3
• horizontal shift to the right 2 and vertical shrink by a factor of 3
• horizontal shift to the left 2 and vertical shrink by a factor of 3

Multiple Choice

Describe the transformation of the graph  y = -2(x + 5)³ 

• Shrink by 2, Reflected over y-axis, Right 5
• Stretch by 2, Reflected over x-axis, Left 5
• Stretch by 2, Reflected over x-axis, Right 5
• Shrink by 2, reflected over y-axis, Left 5

Multiple Choice

Describe the transformation of the graph  y = -(x - 4)³ + 5

• Up 5 and Left 4 
• Reflect x-axis, Left 4, Up 5
• Reflect x-axis, Right 4, Up 5
• Right 4 and up 5

Multiple Choice

Describe the transformation of y = g(x) for the function

y = 2g(x - 3) + 5

• Shifted right 3 units

  Stretched vertically by a factor of 2

  Shifted up 5 units

• Stretched vertically by a factor of 2

• Shifted left 3 units

  Stretched vertically by a factor of 2

  Shifted down 5 units

• Stretched vertically by a factor of 1/3