Raj tested his new flashlight by shining it on his bedroom wall. the beam of light can be
described by the equation x^2 + y^2 - 2x - 4y - 31 =0.graph the beam of light on the wall on the coordinate grid below. (4 points)

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americab512

18.01.2023

Mathematics

The point will be (4,-5), this can be deduced by noticing that between A and C there is an increase of 0.75 in x, and a decrease of 2.5 in y-axis. Therefore, three point later, the coordinates will be the ones given.

This can also be deduced, finding the form y=mx+b, where with the two points we obtain $m=\frac{5-2.5}{1-1.75}=\frac{10}{3}$ and b=8.333, therefore with a value x of 4, we obtain 5.

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Raj tested his new flashlight by shining it on his bedroom wall. the beam of light can be described by the equation x^2 + y^2 - 2x - 4y - 31 =0.graph the beam of light on the wall on the coordinate grid below. (4 points)