Practice About Y-axis (4.3.2) - Transformations - Computer Aided Design & Analysis

Practice: About y-axis

Lesson 4.3.2Transformations

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10 questions

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2 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
4 questions · about 3 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What happens to the point (3, 2, 5) when it is reflected over the y-axis?
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Negate the x-coordinate.
Question 2.
If a point (1, 2, 3) is rotated 90 degrees about the y-axis, what will be its new coordinates?
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Use the rotation matrix.
3Question 3.
What does reflecting a point over the y-axis do?
- True
- False
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Think about how coordinates change during reflection.
4Question 4.
When rotating an object around the y-axis, which coordinate remains unchanged?
- x
- y
- z
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Which dimension is being rotated?
Question 5.
Given the point Q(1, 2, 3), perform a 45-degree rotation about the y-axis followed by reflection over the y-axis. List the step-by-step coordinates after each transformation.
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Break the problem into the two transformations: rotation first, then reflection.
Question 6.
Create a 3D object, a rectangular box, defined by three vertices. Apply rotation around the y-axis and then reflect the new coordinates. Show the coordinates before and after.
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Track vertices individually through rotation then apply reflection sequence.

6 more questions in this section. Enroll free to practise them all.