A flood a creek's water level changes by −4 7/10 feet in 2 hours. What is the average change in the creek's water level per hour
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Answer:
Step-by-step explanation:
When talking about reflection, we usually mean reflecting across a line, or axis. Reflecting a shape means looking at the mirror image on the other side of the axis. Consider the point (x,y), if you reflect this point across the y-axis you should multiply the x-coordinate by -1, so you get:
For triangle ABC we have:
Therefore, the reflecting points are:
Both the original triangle and the reflected one are shown below.
