Suppose a triangle reflects over the y-axis. Which describes how the transformation affects the coordinates of the vertices?
2 answers:
Answer: OPTION A.
Step-by-step explanation:
By definition:
- When you reflect a figure, you flip it over a line of reflection, then, both figures will be in opposite directions.
- The image (which is the reflection) and the pre-image will have the same shape ad size.
- If a figure is reflected over the y-axis, then the sign of the x-coordinate is changed.
Keeping the above on mind, you can conclude that when a triangle is reflected over the y-axis the coordinates of the vertices are afectted as following:
- The y-coordinate is not changed.
- The sign of the x-coordinate is changed.
Then:
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Answer:
3600 tickets were sold for the musical performance.
Step-by-step explanation:
Given that:
Number of people seated for musical performance = 108
Percent to people to arrive yet = 97%
It means that the people who have already come are 3%.
Let,
x be the number of tickets sold.
3% of x = 108
0.03x = 108
Dividing both sides by 0.03
Hence,
3600 tickets were sold for the musical performance.