Question

describe a translation given image and pre - image coordinates
ue: 5
ow many units has the triangle been translated right to create the dashed triangle?
o a. 4 units
o b. 6 units
o c. 5 units
o d. 2 units

Explanation:

Step1: Pick corresponding vertices

Take the leftmost vertex of the solid triangle (x=2) and its dashed image (x=7).

Step2: Calculate horizontal difference

Subtract pre-image x from image x: $7 - 2 = 5$.

Answer:

c. 5 units