Grade 8 Math · Geometry

Perform translations on coordinates

Perform translations on coordinates.

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What you’ll learn

Perform translations on coordinates.

Key idea

Translations add the same signed vector to every corresponding vertex without changing shape.

Apply the same signed vector to every vertex and retain complete corresponding image coordinates.

Worked example

Enter the exact value or ordered values in the format requested below.

Read image I of P after vector (2,2), x horizontal and y vertical. Enter I's coordinate pair.

-6-4-202466420-2-4-6IPxy

Marked coordinates: I=(0, 0); P=(-2, -2).

  1. Every vertex receives signed vector (2,2); its x and y components are added separately.
  2. Original vertices [(-2, -2), (0, -2), (-2, 0)] map to [(0, 0), (2, 0), (0, 2)]; the first image is (0,0), and differences all equal (2,2).

Answer: (0,0)

Quick Check

Relate the graph used in 'Perform translations on coordinates' to an equation, table, transformation, or verbal description.

Connect original/image graph with mapping rows [((-2, 0), (-1, -2)), ((0, 0), (1, -2)), ((-2, 2), (-1, 0))] to one vector rule.

-6-4-202466420-2-4-6PIxy

Marked coordinates: P=(-2, 0); I=(-1, -2).

Choose one answer

Show a hint

Use the labeled horizontal and vertical axes and match original P with image I.