Similar Triangles and Slope — Quiz

Question 5 • Transition Mathematics for Seniors

What is Kara’s first error?

Answer

Kara should have written the cross-product in step 2 as 12 x is equal to 72 times 14 .

Kara did not correctly divide 864 by 14 going from step 3 to step 4.

Kara did not find the correct product of 72 and 12 going from step 2 to step 3.

Kara should have written the proportion in step 1 as 12 over 72 is equal to 14 over x .

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