3. Two-thirds of a number plus 4 is 76. What is the number?
2 answers:
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Given:
The figure shows the letter Z and four of its transformed images—A, B, C, and D.
To find:
Which of the following rules will transform the pre-image of Z in quadrant 2 into its image in quadrant 1?
Solution:
From the figure it is clear that the pre-image of Z in quadrant 2 and its image in quadrant 1 (image A) are the mirror image of each other along the y-axis.
It means the pre-image of Z in quadrant 2 reflected across the y-axis to get the image in quadrant 1.
If a figure reflected across the y-axis, then rule of transformation is
So, the rule transform the pre-image of Z in quadrant 2 into its image in quadrant 1.
Therefore, the correct option is c.