GraphModerate2 marks
7(b)
Use a graph paper for this question (Take 2 cms = 1 unit on both x and y axis)
Reflect points B, C, D on the y-axis and write down their coordinates. Name the images as B’, C’, D’ respectively.
Topic: Reflection
Previous-year question practice database
Answer
Solution diagram
Exam answer
B′ = (−2, 3), C′ = (−1, 1), D′ = (−2, 0).
Explanation
Reflection in the y-axis maps (x, y) → (−x, y).
B(2, 3) → B′(−2, 3)
C(1, 1) → C′(−1, 1)
D(2, 0) → D′(−2, 0).
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