3
QuizMultiple Choice

Scale Factor

Question 3 • FL-1205040-M/J Grade 7 Mathematics A -GF

Hiroto reduces a rectangular photograph by 0.5 by scanning it onto his computer. The image on the screen measures 3 inches by 5 inches. Which rectangle represents the original photograph?RectangleABCDWidth1.53.5615Length2.55.51025

Answer
A
A
B
B
C
C
D
D

Explanation

A reduction factor of 0.5 means each screen measurement is half the original measurement. So the original width was 3 ÷ 0.5 = 6 inches, and the original length was 5 ÷ 0.5 = 10 inches. Rectangle C, which measures 6 inches by 10 inches, represents the original photograph.

AI-written and checked against the verified answer.

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