r1c3:
r2c3:
r3c3:
r4c3:
r5c3:
r6c3:
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b. Go back to the original shape, and this time multiply only the x‑coordinates by 3. Leave the y‑coordinates the same. Find, graph, and connect the new coordinates.
6
HINT: This time multiply only the x-coordinate of each vertex of the black polygon by 3. Add the first point again after the last point in order to close the polygon.
7
r1c3:
r2c3:
r3c3:
r4c3:
r5c3:
r6c3:
8
c. What happened to the shape in part (b)? Why did this happen?
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d. Look at the predictions your team made in problem 6-55. Do you still agree with your predictions? Revise your predictions if necessary, based on your work so far. What do you think will happen if you multiply only the y‑coordinates of the vertices by a number? Be ready to explain your reasoning.
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