Quadratic Dilation

Match the equation to its description.

• Vertically stretched by 2 and shifted up 4

• Vertically compressed by 2 and shifted up 4

• Vertically stretched by 2 and shifted left 4

• Vertically compressed by 2 and shifted left 4

What steps transform the graph y = x² to y = 2(x+2)² - 5?

• Compress by 2, shifted 2 units left and 5 down

• Stretch by 5, shifted 5 units left and 2 down

• Stretch by 2, shifted 2 units left and 5 down

• Compress by 5, shifted 2 units left and 2 down

What steps transform the graph y = x² to y = -1/2(x-4)² + 1?

• Compressed by 1/2, shifted 4 units right and 1 unit up

• Reflected across x-axis, compressed by 1/2, shifted 4 units right and 1 unit up

• Reflected across x-axis, stretched by 1/2, shifted 4 units left and 1 unit up

• Stretched by 1/2, shifted 4 units right and 1 unit down

Match the equation to its description.

• Vertically stretched by 4 and shifted up 4

• Vertically compressed by 4 and shifted up 4

• Vertically stretched by 4 and shifted right 4

• Vertically compressed by 4 and shifted right 4

a

b

c

d

Vertical Translation

Horizontal Dilation

Vertical Dilation

Horizontal Translation

Which of the following equations best fits the graphs of the transformed function shown in red?

• F

• G

• H

• J

"a" causes the parabola to vertically ​ (a)   when a > 1.

• stretch

• compress

• compress

• stretch