1. Find the coordinates of the image of point R(–1, 3) rotated 90° about the origin?

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Elizabeth

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1. Find the coordinates of the image of point R(–1, 3) rotated 90° about the origin?

1. Find the coordinates of the image of point R(–1, 3) rotated 90° about the origin.

2. A math club had 7 members in its first year. It had 22 members in its fourth year and 32 members in its sixth year. Assuming a constant rate of increase, how many members will the math club have in its thirteenth year?
 
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