Symmetry — Unit test Answers

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For the transformation to be a translation, which statements must be true? Select four options.

LL'=PP'

LL'=MM'

Trapezoid LMNP is congruent to trapezoid L'M'N'P'.

NN'=PP'

All line segments that connect a point on the pre-image to its corresponding point on the image are parallel.

On a coordinate plane, a triangle has points A prime (1, 2), B prime (3, negative 3), C prime (negative 1, negative 3).

(3.5, –9.2)

(–2.7, –4.7)

(–5.5, 3.2)

(0.7, –1.3)

Which rules could describe the rotation? Select two options.

R0, 90°

R0, 180°

R0, 270°

(x, y) → (–y, x)

(x, y) → (–x, –y)

The rule is applied to ΔABC.

A triangle on a coordinate plane is translated according to the rule T–8, 4(x, y). Which is another way to write this rule?

(x, y) → (x + 4, y – 8)

(x, y) → (x – 4, y – 8)

(x, y) → (x – 8, y + 4)

(x, y) → (x + 8, y – 4)

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