TEKS.MATH.9-12.III.B.1

What does a translation do to an image?

• Turns it 90* clockwise
• Mirrors it
• Shrinks it
• Slides it

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TEKS.MATH.9-12.III.B.1

Dilate the figure by a scale factor of 3 with the origin as the center of dilation. What are the coordinates of the image?
A(3,3) B(6,6) C(9,3)

• A'(9,9) B'(18,18) C'(27,9)
• A'(6,6) B'(9,9) C'(12,6)
• A'(0,0) B'(3,3) C'(6,0)
• A'(1,1) B'(2,2) C'(3,1)

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TEKS.MATH.9-12.III.B.1

Which is FALSE about dilations?

• The shape is the same.
• The size changes.
• The sides of the shape get larger or smaller.
• The angles of the shape get larger or smaller.

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TEKS.MATH.9-12.III.B.1

If you were to rotate ABCD 180°  about the origin, what would the coordinate of A' be?

• (-5, 5)
• (-3, -5)
• (-5, 3)
• (-3, 3)

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TEKS.MATH.9-12.III.B.1

Identify the transformation from ABC to A'B'C'.

• 90^o clockwise rotation
• 90^o counter clockwise rotation
• Reflection across the y-axis
• Reflection across the x-axis

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TEKS.MATH.9-12.III.B.1

Match the equation y = (x-2)² + 2 to its description.

• Right 2 and up 2
• Left 2 and up 2
• Right 2 and down 2
• Left 2 and down 2

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TEKS.MATH.9-12.III.B.1

Choose ALL the degrees of rotation that will map a regular hexagon onto itself.

• 90

• 120

• 150

• 240

• 300

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TEKS.MATH.9-12.III.B.1

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

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TEKS.MATH.9-12.III.B.1

What is the vertical shift for
y = 4cos(0.5x +pi) - 2?

• up 2
• left 2
• right 2
• down 2

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TEKS.MATH.9-12.III.B.1

Compare y = 1/2(x + 3)² + 5 to the parent function y = x²

• vertical stretch, moves 3 units left and 5 units up

• vertical shrink, moves 3 units left and 5 units up

• vertical shrink, moves 3 units right and 5 units up

• vertical stretch, moves 3 units right and 5 units up

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TEKS.MATH.9-12.III.B.1