Algebra Transformation and Dilation

A branch of mathematics that involves expressions with variables.

• Algebra

• Geometry

• Calculus

• Trigonometry

A transformation that enlarges or reduces a figure by a scale factor.

Which answer shows a reflection across the y-axis?

• a

• b

• c

• d

Triangle A’B’C’ is the dilation of triangle ABC. Which algebraic representation shows this dilation?

• (x, y) --> (1/2x, 1/2y)

• (x, y) --> (2x, 2y)

• (x, y) --> (x + 1/2, y)

• (x, y) --> (1/2x, y)

Triangle A’B’C’ is the dilation of triangle ABC.
Which algebraic representation shows this dilation?

• (x, y) --> (2x, 2y)

• (x, y) --> (1/3x, 1/3y)

• (x, y) --> (3x, 3y)

• (x, y) --> (x + 3, y - 3)

Which transformation is demonstrated?

• Reflection

• Translation

• Rotation

• Dilation

The scale factor for this dilation is:

Mathematical Equivalence

ON

Does the image show a dilation?

• Yes

• No

Triangle A’B’C’ is the dilation of triangle ABC. Which algebraic representation shows this dilation?

• (x, y) --> (1/2x, 1/2y)

• (x, y) --> (2x, 2y)

• (x, y) --> (x + 1/2, y)

• (x, y) --> (1/2x, y)

Which function was used to produce the image?

• f(x, y) = (1/7x, 1/7y)

• f(x, y) = (7x, 7y)

• f(x, y) = (4x, 4y)

• f(x, y) = (8x, 8y)