Mathematics: Point h(9, 1) is reflected across the x-axis. which statements about h are true? select each correct answer. the y-coordinate is −1. the y-coordinate is 1. the x-coordinate is −9. the x-coordinate is 9.

Point h(9, 1) is reflected across the x-axis. which

Ответ:

larey

09.01.2022

Mathematics

y coordinate is -1

x coordinate is 9

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Ответ:

Jenifermorales101

23.02.2022

Mathematics

D. 8

Step-by-step explanation:

Draw segment CQ which will be perpendicular to tangent PR.

So, triangle CQR will be right angled triangle right angle at Q.

Let radius of the circle be r.

Therefore,

CQ = CS = r

By Pythagoras Theorem:

${(r + 9)}^{2} = {r}^{2} + {15}^{2} \\ \\ {r}^{2} + 18r + 81 = {r}^{2} + 225 \\ \\ 18r = 225 - 81 \\ \\ 18r = 144 \\ \\ r = \frac{144}{18} \\ \\ r = 8$

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Point h(9, 1) is reflected across the x-axis. which statements about h' are true? select each correct answer. the y-coordinate is −1. the y-coordinate is 1. the x-coordinate is −9. the x-coordinate is 9.

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